News
can be found in the rocks and traced through tiny meteorite impact particles called spherules. The small, round particles, which can be glassy or crystalline, occur when large meteorites hit Earth ...
Modern Engineering Marvels on MSN13d
How a Colossal Meteorite Impact Shaped Early Earth and Catalyzed Life's EvolutionWe think of impact events as being disastrous for life,” Harvard geologist Nadja Drabon explains, but one such impact by a ...
H.J. Melosh is a Distinguished Professor of Earth ... His principal research interests are impact cratering, planetary tectonics, and the physics of earthquakes and landslides. His recent research ...
Hosted on MSN3mon
World’s Oldest Impact Crater Discovered, Toppling Previous Record By 1.3 Billion YearsIn 2023, in the same region, a different team found evidence of impact spherules, suggesting meteorite impacts of similar age. The discovery of the crater provides fresh insights into the role ...
Hosted on MSN2mon
Strange spherules discovered on Mars by NASA's Perseverance rover - but what do they mean?NASA’s Perseverance rover has stunned experts after finding some strange-looking rock composed of spherules on the surface ... rock vaporized by a meteorite impact.” The team are now working ...
Hosted on MSN2mon
Discovered by Perseverance Rover, an Enigmatic Martian Rock with Hollow Spherules Intrigues NASAAlternatively, the spherules might be volcanic droplets or impact melt fragments, created by the rapid cooling of molten rock during explosive events like eruptions or meteorite impacts.
"In each of these cases, the spherules were interpreted as concretions ... or by the condensation of rock vaporized by a meteorite impact." The unusual appearance of the rock may also be down ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results