|Posted on Feb 11, 2013 11:56:22 AM | John Entwistle | 3 Comments ||
On Feb. 15th, an asteroid some 50 meters wide, neither very large nor very small, and is probably made of stone, as opposed to metal or ice will fly past Earth closer than many man-made satellites. Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.
FULL STORY: http://science.nasa.gov/science-news/science-at-nasa/2013/28jan_2012da/
Science@NASALink to the NASA Explorer Schools home page.
Tags : Education Point of Interest, NASA Science Update