Aries, a constellation and the first sign of the zodiac. The name means "The Ram." Aries is a small constellation that contains no noteworthy stars. Although it can be seen in the evening during the autumn, it is not easily identifiable.
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?