How The European Space Agency's Hera Mission Plans To Defend Earth From Asteroids - SlashGear

It's been the plot for plenty of sci-fi movies, but the threat of an asteroid impacting the Earth is a real one, and space agencies are preparing.

In order to investigate the asteroid, Hera will be outfitted with a propulsion module that includes fuel tanks and thrusters to carry it on its 26-month journey, as well as a core module that will ca… [+1164 chars]

full article...