any large and brilliant or impressive assemblage of persons or things: a galaxy of opera stars.
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar ...
The word galaxy is derived from the Greek galaxias (γαλαξίας), literall...
The Earth's galaxy is known as the Milky Way. Our solar system, made up of the
Sun and the planets that encircle it, is a tiny part of that galaxy. A galaxy can also
astronomy : any one of the very large groups of stars that make up the universe.
the Galaxy : the galaxy in which we live. : a large group of important or ...
Jan 27, 2011 ... A pair of astronomers call for a debate on a tricky definition.
The definition of a galaxy is a large area, particularly of dust, stars and gas that
makes up a universe. An example of a galaxy is the Milky Way. YourDictionary ...
galaxy. See definition in Oxford Advanced Learner's Dictionary. Line breaks: gal¦
... 1.1 (the Galaxy) The galaxy of which the solar system is a part; the Milky Way.
a. Any of numerous large-scale aggregates of stars, gas, and dust that constitute
the universe, containing an average of 100 billion (10<sup>11</sup>) solar masses and ...
Sep 17, 2012 ... If there were only major galaxies with spiral arms, like Andromeda and the Milky
Way, then a formal definition might not be necessary – you ...
Apr 26, 2004 ... A century ago astronomers talked about only one galaxy, what they called the ... It
is slightly easier to define what doesn't constitute a galaxy.