Guess what else the sequester hurts? Our ability to track a 'city-killer' asteroid
Large asteroid heading to Earth? Pray, says Nasa
'City-killer' asteroids show need for mission, NASA tells Congress
FAIR USE NOTICE: This video may contain copyrighted material. Such material is made available for educational purposes only. This constitutes a 'fair use' of any such copyrighted material as provided for in Title 17 U.S.C. section 106A-117 of the U.S. Copyright Law.