A thin section of the meteorite from this study is seen in cross-polarized light. This visual may only be used in conjunction with reporting on or posting of this news release. Credit must be given as ...

Planetary geologist Amanda Ostwald studies Martian meteorites to understand what makes Mars different from — and similar to — planet Earth Naomi Greenberg In 2023, Dr. Ostwald hiked the entire ring of ...

A meteorite thin section under a microscope. Different colors represent different minerals, because light travels through them in different ways. The round mineral aggregates are chondrules, which are ...