CNEOS is Defending Earth for 20 years now
Will the Asteroid 1997 XF11 collide with the Earth? The Center for Near-Earth Object Studies (CNEOS) of NASA has been answering this query for quite a few years now. NASA was trying to oblige to a Congressional request made in 1998 when the researchers encountered an asteroid (1997 XF11) which indicated that a kilometer-wide object…