4660 Nereus, an asteroid the size of the Eiffel Tower, passed Earth uneventfully on December 11. If you want to keep watch for future events, NASA has launched a new monitoring system, as well as Eyes on Asteroids, an application
4660 Nereus, an asteroid the size of the Eiffel Tower, passed Earth uneventfully on December 11. If you want to keep watch for future events, NASA has launched a new monitoring system, as well as Eyes on Asteroids, an application