vineri, 22 octombrie 2010

U.S. Must Be Ready to Meet Asteroid Threat, White House Science Adviser Says

- National emergency plans for natural disasters can also work in the unlikely scenario of an asteroid strike on the U.S., according to a letter to Congress by the White House's top science adviser, has learned. Full story:

* NASA: Sun's Nemesis Pelted Earth with Comets, Study Suggests... Astrobiology Magazine (is a NASA-sponsored online popular science magazine) - Getting WISE About Nemesis - Summary: Is our Sun part of a binary star system? An unseen companion star, nicknamed “Nemesis,” may be sending comets towards Earth. If Nemesis exists, NASA’s new WISE telescope should be able to spot it: