 BBC News | How will NASA defend Earth against killer asteroids and comets? NetworkWorld.com Combinations of space- and ground-based telescopes may be the most economically palpable defenses NASA can mount against asteroids and comets heading toward Earth, but there are more advanced defenses involving ... NASA will miss Congressional deadline for asteroid tracking Earth Not Properly Protected from Asteroids Report: Funds Needed For Asteroid Warning System |
Friday, January 22, 2010
How will NASA defend Earth against killer asteroids and comets? - NetworkWorld.com
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment