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“Extraterrestrial organic compounds” were discovered in Michigan’s “fireball” in 2018



In 2018, a meteorite fell on the earth and caused a fireball across the sky in Michigan. Now, researchers have discovered that space rocks contain “alien organic compounds.”

The study, published in the scientific journal Meteorology and Planetary Science, pointed out that meteorites are H4 chondrites (only 4% of all meteorites that fall on the earth are H4 chondrites). It also contains more than 2,000 organic materials, some of which date back to the early days of the solar system.

The person in charge of the study said: “This kind of meteorite is very special because it fell on a frozen lake and was quickly recovered. It is very primitive. We can see that the minerals have not changed much, but later found that it contains Abundant extraterrestrial organic compounds.” Author Philipp Heck said in a statement. “These organic compounds may have been transported to the early Earth by meteorites, and they may contribute to the formation of life.”

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Security camera footage of a fireball over Toledo, Ohio (T. Masterson and American Meteor Association)

Security camera footage of a fireball over Toledo, Ohio (T. Masterson and American Meteor Association)

Studies have shown that meteorites may hit life on Earth

The fireball is called the Hamburg meteorite and entered the Earth’s atmosphere on January 16, 2018. It illuminates the sky over most of North America, including Ontario, Canada, and the Midwestern United States, and eventually crashes into the earth.Michigan

Fox News previously reported that a few hours later, meteorite hunters Robert Ward and Larry Atkins found the first part of the meteorite.

A small asteroid or comet is called a meteoroid. When it enters the Earth’s atmosphere, it becomes a meteor, fireball or meteor. Rocks that hit the ground and are valuable to collectors are called meteorites.

The fragments that Ward found were eventually donated to the Field Museum in Chicago, and research co-author Jennika Greer observed it.

Grayer explained: “This meteorite shows a high diversity of organic matter, because if someone is interested in organic matter, then this is usually not the kind of meteorite they ask to study.” “But because of the excitement surrounding it, everyone Everyone wants to apply their own technology to it, so we have a very comprehensive set of data for a single meteorite.”

The researchers found that the ratio of uranium and its decay state indicate that the asteroid formed about 4.5 billion years ago. This means that the material comes from the early days of the solar system and is about the same age as the earth.

The researchers pointed out in the study that because the meteorite fell on the frozen lake, the studied debris showed “no or almost no signs of terrestrial weathering,” making it cleaner than other meteorites that fell on the earth.

Heck added: “Scientists who study meteorites and space are sometimes asked, have you seen signs of life? I always answer, yes, every meteorite is full of life, but full of life on earth.” Once it falls, it will be covered by microorganisms and life on the earth. Lichens grow on our meteorite. Therefore, this meteorite is quickly collected after the fall, and then landed on ice instead of on ice. Dirt, keep it clean.”

In 2019, another group of researchers suggested that meteorites actually make life on Earth possible. They determined the isotopes of selenium in the rocks in the Earth’s mantle and found the same isotopic signatures in some meteorites, especially those from the outer solar system.

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James Rogers of Fox News contributed to this matter.


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