my 250 million year old salt has expired

laughing in Martian

Yup, that’s Earth alright. Rookie numbers, as usual.

well‐preserved, clay and carbonate‐bearing sedimentary fan deposit located on the western edge of the crater

This fan is estimated to have formed approximately 3.2–3.8 billion years ago when ancient streams flowed into the Jezero crater lake

Could be sleeping in chemicals from the plastic.