... A 500 kilometer diameter world, Vesta lies in the main asteroid belt between the orbits of Mars and Jupiter. ... Denizens of planet Earth watched this year's Perseid meteor shower by looking up into the moonlit night sky. ... NGC 7331 and Beyond . ... About 50 million light-years distant in the northern constellation Pegasus, NGC 7331 was recognized early on as a spiral nebula and is actually one of the brighter galaxies not included in Charles Messier's famous 18th century catalog. ...