Galaxy

Galaxy

A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter. The word galaxy is derived from the Greek galaxias (γαλαξίας), literally "milky", a reference to the Milky Way. Galaxies range in size from dwarfs with just a few hundred million (108) stars to giants with one hundred trillion (1014) stars, each orbiting its galaxy's center of mass.
Apr
29
Hubble’s Hidden Galaxy

Hubble’s Hidden Galaxy

Hidden galaxy wishing it had stayed hidden
Apr
28
Bright Galaxy Centaurus A

Bright Galaxy Centaurus A

Shine bright like a galaxy
Apr
28
NASA Hubble Sees Sparring Antennae Galaxies

NASA Hubble Sees Sparring Antennae Galaxies

Sparring galaxies
Feb
25
Hubble, Chandra, Jansky VLA Telescopes Collaborate on Galaxy Cluster

Hubble, Chandra, Jansky VLA Telescopes Collaborate on Galaxy Cluster

The largest gravitationally-bound objects in the cosmos
Feb
25
Chandra Captures Galaxy Sparkling in X-rays

Chandra Captures Galaxy Sparkling in X-rays

Whirlpool galaxy, now with lifetime warranty.
Feb
25
Galaxy Cluster Abell 520

Galaxy Cluster Abell 520

As pretty as this is, still not worth taking sacred land from Hawaiians in the name of science.
Feb
25
Cartwheel Galaxy

Cartwheel Galaxy

Cartwheels are cool, but call us when you can do a round-off
Feb
25
Spiral Galaxy

Spiral Galaxy

Can't stop, won't stop spiraling
Feb
25
Taken Under the 'Wing' of the Small Magellanic Cloud

Taken Under the 'Wing' of the Small Magellanic Cloud

The Milky Way's closest neighbor, with the loudest parties.