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Meteoritic Iron: Meteorites in Art and History

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METEORITES IN ART AND ANCIENT HISTORY

Iron meteorites are some of the most recognizable space rocks. They stand out because of their size and surface features, but also because they look closest to what one might expect a rock from outer space would look like. Imagine the journey an iron meteorite takes to get to Earth’s surface, originating in the molten cores of ancient asteroids that once orbited the sun between Mars and Jupiter. These asteroids would eventually collide with other asteroids or planetary bodies and were torn apart, their pieces flung far and wide across the solar system.

Some of those pieces ended up in our atmosphere; they were superheated to thousands of degrees Fahrenheit at speeds of up to 100,000 miles per hour, melting to form the beautiful, sculptural indentations we call regmaglypts. Inside, these meteorites form fantastic geometric structures called Widmanstätten Patterns, from cooling very gradually over millions of years. 

Iron Meteorites in Ancient History

These dazzling rocks have been falling to Earth for millions of years. In ancient times, early humans worshipped these strange rocks that fell from the sky as divine beings or gifts from the heavens. There are recorded events throughout the ancient history of stones falling from the sky. Ancient Greeks even had a term for it; diopetes, meaning “falling from heaven.”

In addition, ancient peoples also used iron from meteorites – meteoritic iron – to craft tools and weapons. Not only is this fact supported by analysis of ancient artifacts, but the name for “iron” in ancient languages is evidence of their celestial origin. For example, the Sumerian name for iron was “an-bar,” which meant “fire from heaven.” Similarly, its Egyptian name was bia-en-pet, which loosely translated means “thunderbolt from heaven.”

Gold, Silver, and Meteorites

Precious metals from heaven also include gold and silver, famously used in ancient times as currency and for worship. Gold is believed to be a product of supernova nucleosynthesis, which occurs when supernovas explode. How, then, did gold arrive on Earth? According to one theory, the majority of gold that was present in Earth’s infancy sank into its core and the gold found on its surface arrived there by asteroid impacts. For example, the asteroid that created the famed Vredefort crater is thought to have resulted in one of the richest gold deposits on Earth. 

Similar to gold and silver, meteoritic iron has been used to forge not only weapons but also pieces of art. For example, a Buddhist sculpture dubbed the “iron man” that came out of Tibet was likely created from the Chinga meteorite, which was found in Russia. Other examples of art created from meteorites in the ancient world include a bead found in Egypt, a pendant found in Syria, and perhaps most famously various items, including a bracelet and headrest, found in the tomb of Tutankhamun. 

Contemporary Meteorite Art

While most iron meteorites today are used for academic study on planetary science, on display in museums, or sold into private collections, a few special meteorites are made into art by talented craftspeople. Few possess the skill and knowledge needed to manipulate meteorite iron without compromising the features that make them recognizable and unique.

For example, the knives in our Ice Age Series are crafted from the Muonionalusta meteorite – scientists believe this meteorite pre-dates at least one ice age – which is known for its exquisite Widmanstätten pattern. The blades of these knives have been fashioned from this meteorite as to proudly display this pattern, of which no two are alike.

meteorite knife blade

View the rest of the knives in the Ice-Age Series here.  These knives are handmade in the United States have been crafted with painstaking care. These knives also feature other rare and ancient materials, like dinosaur gembone, mammoth tusk, and shattuckite. These works of art are truly echoes of Earth’s primordial past.

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Rumuruti Meteorites: Chondrites That Are Anything But Ordinary

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Rumuruti Has It…
Chondrites that are anything but ordinary

Rumuruti-type meteorites take their name from a 1934 witnessed fall; on January 28, a bright light and loud explosion were observed by locals at around 10:43pm. The shower of stones occurred over ¾ of a mile. The samples collected by academics were tested and determined to be chondrites, though they don’t belong to any of the major chondrite classes. They are the first and only documented R chondrite, making them incredibly rare.

Where do rumuruti meteorites come from?

Scientists believe these meteorites may have come from the parent asteroid’s regolith, which refers to the blanket of loose deposits that sit over solid rocks. As such, they have a dusty matrix that cements together fragments of broken rock and mineral inclusions. Though the exact age of this material has yet to be determined, researchers believe the collision event may have occurred somewhere between 15 and 25 million years ago.

To that end, meteorites that fall under this class of chondrites are quite rare and offer a lot to collectors and scientists. For collectors, slices of rumuruti meteorites, like Northwest Africa 11304, are unique and introduce variety to an existing collection; these slices have fabulous interiors, with brightly-colored chondrules.

Scientific Value of Rumuruti Metoerites

On the other hand, for scientists, the introduction of a new meteorite class offers new opportunities to reconsider what other meteorites are classified as, like the LaPaz Icefield 04840 meteorite. For academics, rumuruti chondrites are valuable because they contain a new kind of “building block” called sulfide chondrules that are leftover from the dawn of the solar system. These sulfur-rich chondrules contain data on a mysterious area in the “protoplanetary disk,” from which the planets in our solar system came.

Further understanding of this region and how gases were distributed in the early solar system is key to the study of so-called primitive bodies and will affect plans for future exploration. Missions like OSIRIS-REx aim to further these goals.

To view our available stock of rumuruti meteorites, click here!

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Murchison: Academically Valuable and Rare Meteorite

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Murchison & Aguas Zarcas:
Valuable to Collectors and Science

Meteorite collectors and dealers are often asked whether they have Aguas Zarcas for sale, or even if they have Murchison for sale. Few meteorites inspire as much intrigue as these two. Murchison is a stone meteorite that fell on September 28, 1969 in Australia. The fireball was seen streaking through the sky before breaking up into three pieces. The impact produced a cloud of smoke that was witnessed by locals for miles, as well as a strong tremor. Several meteorite specimens were found on the road, while the largest piece, weighing 680 grams, crashed through a roof into some hay.

Murchison is classified as a CM2; a carbonaceous chondrite of the Mighei group, which are distinguished by small chondrules and an abundance of hydrated minerals, or minerals that include water or hydroxyl. Murchison resembles Aguas Zarcas,  which contains amino acids. Both meteorites are in incredibly high demand due to the scarcity of the material available and their scientific value.

Murchison: One of the Most Studied of All Meteorites

In January of 2020, scientists found that the material found in Murchison is potentially 7 billion years old, which would make it the oldest material on Earth. Famously difficult to acquire, this stone meteorite contains common amino acids like glycine, alanine, and glutamic acid.

Aguas Zarcas: Costa Rica Witnessed Fall

Aguas Zarcas, meaning “clear and pure water” in Spanish, fell on April 23, 2019 in Costa Rica. The fireball that produced the meteorite was witnessed by many locals and was captured on cameras belonging to the National Seismological Network. Aguas Zarcas is a carbonaceous chondrite and being heavily studied by scientists. Understanding the composition of these meteorites is key for answering questions about the kinds of material that were present at the dawn of the solar system.

Though similar, Aguas Zarcas differs from Murchison in that it’s a fresher fall, meaning that scientists are able to use more precise and modern techniques to analyze the compounds found in the stone. Furthermore, it’s the largest CM-type meteorite recovered after Murchison. This gives scientists a “second chance” to study a Murchison-like meteorite and one that has its own unique points of intrigue. In addition, the fall is so fresh it’s relatively free from terrestrial contamination.

Where to Find Aguas Zarcas and Murchison?

Several pieces of the Aguas Zarcas meteorite were donated to Arizona State University for study, where Dr. Laurence Garvie led its classification. ASU now holds and curates the type specimen material in a special nitrogen cabinet. Pieces of Murchison and Aguas Zarcas are on display worldwide. Aguas Zarcas is for sale on our website to the public. Notoriously difficult to find, Murchison is seldom offered on the market; however, we have a few crumbs of Murchison for sale. Please email our sales manager at sales@aerolite.org to inquire.

Photo credit: Jon Taylor/CC-BY-SA-2.0

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Asteroid Vesta

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ASTEROID VESTA

Asteroids are mysterious remnants from the formation of the Solar System, approximately 4.6 billion years ago. One of these asteroids is called Vesta, after the Roman goddess of the hearth and home. Meteorites from asteroid Vesta are referred to as HEDs: howardites, eucrites, and diogenites. Vesta is one of the largest objects in the asteroid belt, which is located somewhere between the orbits of Jupiter and Mars. It’s so large, in fact, it can be seen from Earth.

Vesta was discovered in 1807 by the German astronomer Heinrich Wilhelm Olbers, after whom the lunar crater “Olbers” is named. Olbers put forth the theory that the asteroid belt was composed of leftover material from an ancient planet that had been destroyed. Olbers was also responsible for the discovery of Pallas, which was only the second asteroid to be discovered after Ceres.

METEORITES FROM VESTA

Howardites, eucrites, and diogenites are meteorites that have all originated from Vesta. These are fascinating to collectors and scientists because we rarely are able to identify where meteorites come from. To have a known, physical sample from Vesta to study is extremely valuable to planetary scientists. Furthermore, for collectors, having the opportunity to own a piece of a scientifically significant meteorite is exciting.

HED METEORITES

The meteorites from Vesta we call howardites are regoliths, which means they’re made up of pieces of meteorites that hit Vesta and mixed with rocks on Vesta’s surface. In fact, the word “howardite” derives from Greek words meaning “stone” and “blanket,” referring to rocks found on the surface.

On the other hand, eucrites are basalt, or cooled lava that once flowed on Vesta. They take their name from the Greek word “eukritos,” meaning “easily distinguished.” This refers to their being light in weight and interior. Ecurites are difficult to spot and thus are incredibly rare. Diogenites are also thought to come from lava, but these rocks formed when the lava cooled slowly underground. These meteorites take their name from the Greek philosopher Diogenes of Apollonia, who believed the universe was a living substance and our atmosphere was intelligent and the atmosphere was the source of all being.

WHAT ARE HED METEORITES WORTH?

Meteorites from Vesta are valuable to planetary research. Recently, NASA’s OSIRIS-REx craft found meteorites from Vesta on the surface of asteroid Bennu. Understanding how these rocky worlds formed will ultimately inform what we believe about our early Solar System and the origins of Earth. We didn’t even know what Vesta looked like until NASA’s Dawn spacecraft dropped in on it, and we can look forward to learning much from the HEDs found here on Earth. In the meantime, you can add Vesta to your personal collection.

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Sikhote-Alin Meteorite

THE FAMOUS SIKHOTE-ALIN METEORITE

The Sikhote-Alin iron meteorite is a very-well known witnessed fall. Coupled with its fame as a large iron meteorite fall, Sikhote-Alin is a favorite among meteorite collectors for the variety of characteristics they display. In general, iron meteorites often have fantastically different shapes caused by their flight through our atmosphere.

The Sikhote-Alin meteorite fall is one of the largest in recorded history. Scientists estimate that its mass was approximately 220,000 lbs (100,000 kg) before it entered Earth’s atmosphere. Additionally, these massive meteorites left impact craters, some as big as 85 feet across and 20 feet deep.

Sikhote-Alin Iron Meteorite Properties

Generally, Sikhote-Alin iron meteorites fall under two categories: individual specimens and shrapnel or fragments. It’s believed that individual specimens broke off from the main object early in the meteorite’s descent. These meteorites often display regmaglypts, which resemble thumbprints on the surface of iron meteorites. Other Sikhote-Alin individuals have flow lines and rollover lips, caused by atmospheric ablation, or even are oriented. The rarest of Sikhote-Alin iron meteorites display all of these traits and are seldom seen on the market.

Shrapnel fragments are special in their own right, too. For instance, because these pieces exploded during flight, they often have a unique, “torn” appearance. Unclean fragment specimens display a rich natural patina, which they acquired during their time on Earth’s surface.

Sikhote-Alin Mountain Region

In addition to being a fascinating meteorite, Sikhote-Alin is the name of a mountain range in Russia of cultural and scientific importance. These mountains were the closest geological feature to the place where the meteorites fell. The Sikhote-Alin mountain region was the subject of Vladimir Arsenyev’s 1923 book, Dersu Uzala, which was later adapted into an award-winning film directed by Akira Kurosawa.

Furthermore, UNESCO placed the “Central Sikhote-Alin” on the World Heritage List, as the home of several endangered species, such as the scaly-sided merganser, the Blakiston’s fish-owl, and the Amur tiger.

Sikhote-Alin Meteorite Worth

Sikhote-Alin meteorites are valuable additions to private and institutional collections. For example, a large specimen is displayed at the famous Arthur Ross Hall of Meteorites in the American Museum of Natural History in New York. Other museum-grade pieces are displayed in Moscow, the UK, and in other museum collections across the world.

Additionally, Sikhote-Alin meteorites are also available for sale for private collectors. To view available inventory, visit our iron meteorites page!

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Donwilhelmsite Found in Lunar Meteorite

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NEW MINERAL FOUND IN LUANR METEORITE

Earlier this week, news broke of a new mineral called donwilhelmsite that was discovered inside a lunar meteorite. The researchers that made this discovery, a team from Europe, believe this new information will help us better understand what happens when geological material is exposed to the extreme pressures of Earth’s mantle.

The lunar meteorite containing this strange new mineral is Oued Awlitis 001, a lunar meteorite found in Western Sahara by a group of meteorite hunters who stopped by the side of the road to cook dinner following an unsuccessful trip to Morocco. The first piece was found by a gentleman searching for firewood; an additional 50.5-gram piece, which fit perfectly onto the main stone, was later found.

Oued Awlitis is classified as a lunar anorthositic melt rock; anorthosite is an igneous rock – molten lava or magma that has solidified – composed mostly of plagioclase feldspar. Anorthositic rocks are widely studied because geologists still don’t fully understand how they form. Lunar anorthosites come from the light-colored areas of the Moon and are some of the Moon’s oldest rocks. Scientists believe these rocks were created when feldspar, a rock-forming mineral, floated to the top of a magma ocean that surrounded the Moon at its beginning.

Research on lunar meteorites tries to explain how and when the Moon formed and what it’s made of. We actually know very little about how the Solar System formed, though the theory that the planets formed from a Solar Nebula is well-established and widely accepted. Meteorites are a key to unlocking details about how exactly these events transpired; samples collected from the Moon by the Apollo and Luna missions were the first steps towards unlocking these mysteries.

Donwilhelmsite, the new mineral just discovered, is named after Don Edward Wilhelms, a geologist who contributed to the study and mapping of the Moon and helped train Apollo astronauts in geology. He and astronaut Harrison Schmidt – the only geologist sent to the Moon – were employees of the United States Geological Survey.

Meteorites, from the Moon or elsewhere, can contain amino acids, minerals – like donwilhelmsite – and even water. Water, scientists agree, is essential to life as we know it and some meteorites have been found to contain water molecules. A recent study on the ultra-rare Martian meteorite NWA 7034 – commonly known as “Black Beauty” – has found that it contains microscopic water-bearing minerals.

These new findings are incredibly valuable to the understanding of how Mars was formed and what happened immediately after its formation. Further research on donwilhelmsite and meteorites promises to reveal more information about our own planet; the materials found in meteorites are similar to those found on Earth and can tell us more about regions we can’t easily study.

Image credit: Ludovic Ferrière, NHM Vienna.

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Asteroid 16 Psyche

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ASTEROID 16 PSYCHE
The value of asteroid research and iron meteorites

Asteroid 16 Psyche has made headlines after a report in Extreme Tech estimated its value at shocking $10,000 quadrillion dollars. Psyche is a large asteroid named after the Greek mythological figure and is thought to be the exposed core of a “protoplanet,” material that hypothetically would have eventually formed a planet. NASA’s Psyche mission will visit the asteroid in 2026 and will spend over 21 months in orbit to map and study Psyche’s properties and composition. This mission will confirm, among other things, whether the asteroid is actually the core of a planet-sized object. 

Asteroids, by definition, are objects orbiting around the Sun that do not have a tail of gas or dust, at which point they’d be called a comet. Asteroids range in size; the largest was Ceres, which earned the designation of “dwarf planet” in 2006. Ceres, named after the Roman goddess, was first observed in 1801 by Giuseppe Piazzi. When another astronomer, Heinrich Olbers, discovered Pallas, the second-largest asteroid in the asteroid belt, it was decided that these objects needed to be placed in their own categories. The term “asteroid” is derived from Greek and means “star-like” and “star-shaped,” since scientists at the time found them indistinguishable from stars aside from their rapid movement. 

Asteroids are significant to our research for the exploration and settlement of space for several reasons, one of them being that some asteroids pose a potential threat to Earth. These are monitored and tracked by space agencies worldwide, and scientists are working to develop asteroid impact avoidance strategies. 

Asteroid mining is also a major topic of discussion and refers to the extraction of raw material for use on Earth and in space. Asteroids like Psyche, which are composed almost entirely of nickel and iron, could be very valuable far into the future. However, most conversations about asteroid mining focus on those closer to Earth known to contain water or water ice, which can be converted to fuel or used by human colonies in space.

What Asteroid Psyche Can Teach us

Studying an asteroid like Psyche can also tell us about the core of our own planet, which we can’t easily study. Iron meteorites are also valuable for this reason; it’s believed that most iron meteorites originated in the cores of large asteroids. They are almost entirely made up of nickel-iron, the primary component of Earth’s core. 

Most iron meteorites display Widmanstätten patterns, which are crystalline alloy structures that are the result of liquid metal that has cooled over a long period of time. Gibeon, an iron that fell in Namibia, is a meteorite that exhibits an outstanding Widmanstätten, which makes them very desirable. Iron meteorites display other features, like flowlines, thumbprints, and orientation. Sikhote-Alin, the famous meteorite that fell in Russia in 1947, is characterized by regmaglypts caused by ablation as the meteorite hurtled through Earth’s atmosphere. 

Asteroids have fascinated scientists for decades. There’s no limit to what we can do with the information analysts will uncover in the future. As we look forward to NASA’s Psyche mission, we can look to iron meteorites here on Earth to continue to develop hypotheses about what we might discover about the asteroids in the solar system.

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Water in Meteorites?

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WATER IN METEORITES?

NASA’s announcement and what it means for meteorite studies

The National Aeronautics and Space Administration (NASA) made an enthralling announcement on Monday, October 26 sure to captivate the imaginations of scientists and space enthusiasts alike. The Stratospheric Observatory for Infrared Astronomy, commonly known as SOFIA, “…confirmed, for the first time, water on the sunlit surface of the Moon.” This is a major scientific discovery, as it implies that we might find water everywhere on the Moon and not just in cold, shadowy regions.

The area SOFIA detected water in is called the Clavius Crater, one of the largest lunar craters we can see from Earth and namesake of the fictional lunar administrative facility, Clavius Base, in the film 2001: A Space Odyssey. Researchers are working on theories to explain how water got there and ways humans can use it in future space exploration missions. Some scientists posit that micrometeorites, tiny meteorites measuring less than a millimeter in size, may have deposited water molecules on the lunar surface. Others believe a process involving solar wind and a chemical reaction with the minerals on the Moon’s surface may have created hydroxyl groups – entities that contain an oxygen atom bonded to a hydrogen atom – which was then converted to water by radiation. 

Why Water Matters

What can scientists do with this information? Well, water is essential to life as we know it and its presence outside Earth is key to uncovering whether extraterrestrial life exists and if it does, how it came to be. Scientists have been able to confirm that some planetary bodies, like asteroid Vesta, contain water. The presence of water on Vesta and other planets/asteroids are a clue for scientists trying to determine where water on Earth originated. Finding water sources on the Moon and Mars will be an instrumental aspect of future deep space exploration missions, as water can be converted into fuel and would dramatically decrease launch costs.

Explaining how water came to be in the solar system not only impacts our future, it tells us about how it was formed, how organic life came to be, and gives us an idea of what Earth was like in its infancy. For example, a study published in Science Advances in 2018 stated that liquid water and organic compounds were found in salt crystals from two meteorites, Zag and Monahans. Meteorites that contain salt crystals are imperative to planetary research because the compounds trapped in them shed light on the origins of organic life in space. These compounds also tell a story about where in the solar system these meteorites came from. Zag, for example, is suspected to have originated from Ceres, a dwarf planet, and the asteroid Hebe.

Impact on Meteorites

The salt crystals found in Zag are called halites, and can only be seen using highly specialized equipment and techniques in a controlled laboratory environment. However, their presence underscores the importance of meteorite studies in planetary science. Collectors looking for something that contributed to our understanding of the cosmos would be thrilled to own a piece of Zag. As technology becomes more sophisticated and investigative techniques improve, we can expect the scientific community to continue to dazzle us with what they uncover about the world around us, where we’re going, and where we came from. 

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Triumph for NASA’s OSIRIS-REx

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Triumph for NASA’s OSIRIS-REx on Asteroid Bennu

What do we hope to learn from asteroid Bennu? 

Incredible things happen in outer space all the time; stars explode, pulsars pump beams of radiation and radio waves into the cosmos, asteroids hurtle into other asteroids and planetary bodies, and supermassive black holes feed on entire galaxies. Most of these things happen without our knowledge or involvement, but on Tuesday, October 20, a small spacecraft named after the Egyptian god of the underworld, Osiris, briefly touched and collected a small sample from an oddly-shaped asteroid, Bunnu. 

The asteroid was named after an ancient Egyptian mythological bird-deity by a 9 year-old-boy in a NASA “Name the Asteroid” competition. The Bennu bird is associated with the sun, creation, and rebirth; an appropriate moniker, given that scientists believe that the asteroid is made up of material left over from when the solar system was created. 

Why is Bennu Important?

Bennu’s orbit lies somewhere between those of Earth and Mars, one of the reasons the OSIRIS-Rex team chose to study it; it’s classified as a near-Earth asteroid, which means it might one day come too close to Earth for comfort. Amazingly enough, researchers also believe Bennu may have inherited some material from Vesta, another asteroid under heavy study from academics. 

Vesta is the second most massive body on the asteroid belt and is even occasionally visible from Earth with the naked eye. Vesta is also one of the only surviving rocky protoplanets, a term that describes matter which is thought to be developing into a planet. Studying asteroids like Bennu and Vesta can reveal valuable information about how planets in our solar system formed, especially Earth. Aside from its connection to Vesta, scientists are also interested in Bennu because it may house organic compounds and wet clays – an indication that Bennu might very closely resemble what primordial Earth looked like. 

The sample the OSIRIS-REx spacecraft collected won’t arrive back to Earth until 2023, but the team has mechanisms in place that will enable them to study the sample remotely, primarily to determine how much material they were actually able to collect. There’s a chance the spacecraft didn’t collect a large enough sample or collect anything at all. If that’s the case, then the team will attempt another TAG (touch-and-go) maneuver at a different site. 

What Can We Hope to Discover?

Among other things, scientists hope the return sample will contain pieces of rock that match the kind found on Vesta for further study. These rocks, called pyroxene, are Vesta’s signature and are clearly identifiable on Bennu’s surface because of their bright color and physical characteristics. While we haven’t identified any meteorites from Bennu yet, meteorite specialists have identified meteorites they believe to have been pieces of asteroid Vesta. For example, NWA 7831, is primarily composed of a type of pyroxene called orthopyroxene, a green-colored material that occurs in igneous rocks and rare meteorites. This is extremely rare material, and missions like OSIRIS-REx are sure to answer some of the questions we still have about meteorites. 

Did you know that you can own meteorites from asteroid Vesta? Aerolite has pieces that start at $25.00. Click here to view available inventory!

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Watch Geoff Notkin on Disney+

Watch Geoff on Disney+!

Aerolite CEO and founder, Geoffrey Notkin of Meteorite Men fame, has made an appearance on National Geographic’s Weird But True!, streaming now on Disney+. The children’s show explores strange and interesting facts about the universe and puts a fun, theatrical spin on them. The hosts, siblings Charlie and Kirby Engelman (Seasons 1 and 2), set out to do so in the studio and out on the field. Episode 1 of the show’s debut season features Geoff as its special guest educator and delves into all things space rocks and the difference between asteroids, comets, and meteorites.

Hosts Charlie and Kirby join Geoff at the White Stallion Ranch, a family-owned 3,000-acre ranch near Saguaro National Park West in Tucson, Arizona, with which Geoff has a long-standing relationship. The secluded grounds and desert landscape were perfect for a meteorite-hunting exercise Geoff designed for the Weird But True! hosts. Arizona itself has proven to be a popular meteorite hunting destination and is home to Arizona State University’s Center for Meteorite Studies, which boasts one of the world’s largest collection of meteorites.

Arizona is also home to Meteor Crater, the “…world’s best-preserved meteorite impact site on Earth,” which was also featured in the episode. Meteor Crater, also known as Barringer Crater or Canyon Diablo Crater, lies in northern Arizona. Meteorites from the site, called Canyon Diablo, are incredibly rare, as hunting in the crater is now prohibited. The crater itself is now a popular attraction for tourists, researchers, and meteorite enthusiasts. It was designated as a National Natural Landmark in 1967.

You can watch Geoff in Weird But True! on Disney+ and let us know what you learn!

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