NASA Science News for July 14, 2011
On July 15, NASA's ion-propelled Dawn spacecraft will become the first mission to enter orbit around a main-belt asteroid.
FULL STORY at
http://science.nasa.gov/science-news/science-at-nasa/2011/15jul_dawn2/
NASA Science News for July 14, 2011
On July 15, NASA's ion-propelled Dawn spacecraft will become the first mission to enter orbit around a main-belt asteroid.
FULL STORY at
http://science.nasa.gov/science-news/science-at-nasa/2011/15jul_dawn2/