Gardening the Moon's Cosmic Archives
3 Articles
3 Articles
Gardening the Moon's Cosmic Archives
When a meteoroid hits the Moon's surface, it does more than just dig up a little dirt. It actually excavates a little bit of cosmic history that recorded a long-ago supernova explosion. Scientists at the University of Hawaii Institute of Geophysics and Planetology have come up with a way to decode that history and learn something about such energetic events in the Universe.
The moon bottom could preserve traces of past star explosions over considerably longer periods of time than earthly deep-sea deposits. A new model describes how meteorite impacts shift radioactive isotopes in the regolite, reproduces the depth profiles of iron-60 in Apollo samples and shows where deep future drill cores should search for older supernova and kilonova signals. Honolulu (U.S.A.). The moon bottom preserves traces of the solar wind, …
Researchers at the University of Hawaii have developed a mathematical model that allows to decipher the cosmic history recorded in the lunar soil. The technique, which considers the impacts of meteoroids on the surface of the Moon, can help...
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