NASA System Predicts Impact of Small Asteroid

When Was the Last Time an Asteroid Hit Earth? We Asked a NASA Scientist: Episode 13 - NASA

Is Earth "overdue" for an asteroid?

Here's how many near-Earth asteroids have been found so far

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