Rocky planets like Earth are all believed to have begun as dust circling newly born stars, and clues about the origin…
[/caption] A typical spiral galaxy is shaped like a flat spinning disk - think of a record. It has a…
[/caption] Andromeda, M31, Triangulum, NGC 2403 the Whirlpool... have you ever wondered how galaxies get their names? Galaxies usually have…
[/caption] Just like the Earth orbits the Sun, the Sun itself is part of the Milky Way galaxy. It takes…
[/caption] The Milky Way is a spiral galaxy, measuring 100,000 light-years across, but only 1,000 light-years thick. Imagine a spinning…
[/caption] The Milky Way is a vast spiral galaxy, shaped a bit like a spinning record; just one that measures…
[/caption] The distance to the Andromeda Galaxy is 2.54 million light-years, or 778 kiloparsecs. The Andromeda Galaxy can be seen…
[/caption] Look across the Universe, and you'll see that almost everything is rotating. The Earth rotates on its axis as…
[/caption] Galaxies can range in size from having just a few million stars to well over a trillion stars. But…
[/caption] There are spiral galaxies and elliptical galaxies, but one of the strangest you're ever going to see is a…