A new study published online in Meteoritics and Planetary Science finds that our most common meteorites, those known as L chondrites, come from at least two different debris fields in the asteroid belt. The belt contains ...
Space Exploration
Feb 17, 2019
2
220
Researchers analyzing meteorite fragments that fell on a frozen lake in Canada have developed an explanation for the origin of life's handedness – why living things only use molecules with specific orientations. The ...
Biochemistry
Jul 25, 2012
32
0
(PhysOrg.com) -- Creating some of life's building blocks in space may be a bit like making a sandwich – you can make them cold or hot, according to new NASA research. This evidence that there is more than one way to ...
Cell & Microbiology
Mar 9, 2012
8
0
Intensive new nano-analysis of the Winchcombe meteorite has revealed how it was affected by water and repeatedly smashed apart and reassembled on the journey it took through space before landing in an English sheep field ...
Planetary Sciences
Apr 15, 2024
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85
Each year, hundreds of meteorites—rocky bodies left over from the formation of the solar system—bombard Earth, delivering minerals, metals and water to our planet. Analyzing the crevices and mineral-rich deposits inside ...
Planetary Sciences
Nov 3, 2022
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215
When a small asteroid enters Earth's atmosphere from space, its surface is brutally heated, causing melting and fragmenting. Therefore, why the rocks near the surface survive to the ground as meteorites has been somewhat ...
Astronomy
Aug 8, 2022
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311
When a space rock survives the turbulent passage through Earth's atmosphere and strikes the surface, it generates shockwaves that can compress and transform minerals in the planet's crust. Since these changes depend on the ...
Planetary Sciences
Feb 17, 2022
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618
An international team of researchers searched for pieces of a small asteroid tracked in space and then observed to impact Botswana on June 2, 2018. Guided by SETI Institute meteor astronomer Peter Jenniskens, they found ...
Space Exploration
Apr 23, 2021
2
77
During a 2012 expedition to Antarctica, a team of Japanese and Belgian researchers picked up a small rock that appeared coal black against the snow white. Now known as meteorite Asuka 12236, it was roughly the size of a golf ...
Astrobiology
Aug 25, 2020
0
89
Let's start at the beginning. Before humans, before Earth, before any of the planets existed, there were baby planets—planetesimals. Coalesced from dust exploded outward by the solar nebula, these blobs of material were ...
Astronomy
May 8, 2020
0
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