
NASA @NASA
Traveling to Mars this summer aboard @NASAPersevere: SHERLOC = an instrument to search for sand-grain size clues WATSON = a camera to capture close-up images 🕵️‍♂️ How this detective and its assistant will put a magnifying glass on Martian rocks: https://t.co/i992Jwok3W https://t.co/VUxQV8zN0J — PolitiTweet.org