NASA @NASA
In 1969 when Apollo 11 brought back the first Moon rocks, it began our journey to return samples of other worlds. Our #Mars2020 rover continues this tradition by collecting Mars samples for a future mission to retrieve. Explore the links of these samples: https://t.co/MT3qbYnp5m https://t.co/3a2rnmLawN — PolitiTweet.org