Meanwhile, a group primarily at the University of Chicago used isotopic analysis of lunar rocks to show that the luanr exosphere is mostly created by micrometeroid impacts: eos.org/articles/the...

The Origin of the Moon’s Thin Atmosphere Might Be Tiny Impacts - Eos

Minuscule meteoroids slamming into the lunar surface could be kicking up most of the atoms that make up the lunar exosphere.

There was a lot of interest in a striped rock found on Mars by the Perseverance rover: science.nasa.gov/blog/a-strip...en.wikipedia.org/wiki/Gneiss) a type of metamorphic rock, but that was complete speculation.

A Striped Surprise - NASA Science

Last week, team scientists and the internet alike were amazed when Perseverance spotted a black-and-white striped rock unlike any seen on Mars before. Is this a sign of exciting discoveries to come?