feb 252013
Asteroids with Comet-Like Trails

  Unlike comets, asteroids are not characterized by exhibiting a trail, but there are now ten exceptions. Spanish researchers have observed one of these rare asteroids from the Gran Telescopio Canarias (Spain) and have discovered that something happened around the 1st July 2011 causing its trail to appear: maybe internal rupture or collision with another asteroid. This [continue reading]