NASA @NASA
Breccia, regolith, zircon… These may sound like different Pokemon, but they’re actually crucial terms that describe @NASAMoon’s four-billion-year-old rocks and meteorites. Listen to the latest episode of our #GravityAssist podcast to find out why: https://t.co/X2d2JEehri https://t.co/ZRi5nLYfjV — PolitiTweet.org