WASHINGTON, May 29, 2012 /PRNewswire-USNewswire/ -- A NASA mission to study the moon from crust to core has completed its prime mission earlier than expected.

When people think of space technologies, many think of high-tech solar panels, complex and powerful propulsion systems or sophisticated, electronic guidance systems.

NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft.

NASA's Deep Space Network antenna in Goldstone, Calif. has captured new radar images of Asteroid 2005 YU55 passing close to Earth.

http://www.nasa.gov/mission_pages/asteroids/multimedia/yu55-20111107.html