Asteroid 2010 TK7, the first known Earth Trojan asteroid, is circled in green, in this single frame taken by NASA Wide-field Infrared Survey Explorer. The majority of the other dots are stars or galaxies far beyond our solar system.
Asteroid 2010 TK7, the first known Earth Trojan asteroid, is circled in green, in this single frame taken by NASA Wide-field Infrared Survey Explorer. The majority of the other dots are stars or galaxies far beyond our solar system.