Astronomers have discovered the first Trojan asteroid sharing the orbit of Uranus, and believe 2011 QF99 is part of a larger-than-expected population of transient objects temporarily trapped by the gravitational pull of the solar system's giant planets.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/4...