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The Lyrid meteor shower, one of the oldest known of the annual showers, peaks this year with only some small interference ...
They also found that the second most common group of meteorites, stony L chondrites, and the least abundant stony meteorites, LL chondrites, which are primarily from the inner main belt, trace back to ...
Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.
The agency’s caution comes from experience: decades ago, scientists claimed to have found signs of life in the Martian meteorite ALH84001 ... a geochemist at Stony Brook University in New ...
Within the stony zone, which extends down several hundred miles, lies the heavy core of the Earth, probably of metallic composition, like the Iron meteorites. If we may judge from the latter ...
Chao, E. C. T., Adler, I., Dwornik, E. D., and Littler, J., Science (in the press). Viste, E., and Anders, E., Univ. Chicago, Enrico Fermi Inst. for Nuclear Studies ...
Although it’s about the same age as Kalkkop — the crater was excavated 200,000 years ago or so by a stony meteorite some 40 meters across — it has been much better preserved. In fact, with a depth of ...
NASA scientists were recently “astonished” by the Perseverance rover's discovery of dark gray spheres on Mars, whose origin ...
"This has been a decade-long detective story, with each recorded meteorite fall providing a new clue." Ten years ago, astronomers from various institutions, including NASA and SETI (Search for ...