44 reactions · 3 comments | The 2018 asteroid impact over Botswana is only the 2nd asteroid detected in space prior to impacting over land. Learn more in this #STIdoc: https://go.nasa.gov/2Wc2BxR Then learn more about NASA - National Aeronautics and Space Administration's planetary defense efforts https://go.nasa.gov/3k3RyyQ & follow NASA Meteor Watch for the latest! #FollowFriday | NASA Scientific and Technical Information (STI) Program | Facebook

30 reactions | Today is #AsteroidDay! Discover research on near-Earth #asteroids & #PlanetaryDefense in the STI Repository: https://go.nasa.gov/3jtAqE7 Read more NASA's work on planetary defense: https://go.nasa.gov/3jvpuG2 If you don't want to miss a thing about asteroids, follow Asteroid Day! #STIdocs | NASA Scientific and Technical Information (STI) Program | Facebook