Sentences with phrase «rocky objects orbiting»
The millions of rocky objects orbiting between Mars and Jupiter probably collide all the time, but this is the first instance in which astronomers have seen direct evidence of an impact.
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When dwarf planet 2012 VP113 was discovered in March, it joined a handful of small, rocky objects known to reside past the orbit of Pluto.
Previous researchers have certainly theorized the existence of a ninth planet, sometimes known as Planet X or Planet 9, based on computer models and the observed behaviors of objects in the Kuiper Belt — a ring of rocky debris beyond the orbit of Neptune.