Virgo, a constellation and the sixth sign of the zodiac. The name means the virgin. The constellation contains Spica, a bright double star. In northern latitudes, Virgo is visible in the evening during the spring and early summer.
Galaxies got their start nearly 14 billion years ago, with one unimaginably hot, dense and tiny pinpoint. How did we arrive at the universe's sprawling state of galactic affairs today?
It's tough to wrap your mind around a time when the Earth wasn't here. So how do Earth and the rest of the planets out there get their start in the universe?