Advanced English Word of the Day

Definitions

English > English
galaxy
1. n. (now rare) The Milky Way; the apparent band of concentrated stars which appears in the night sky over earth.
2. n. (galaxy) Any of the collections of many millions or billions of stars, galactic dust, black holes, etc. existing as independent and coherent systems, of which there are billions in the known universe.

Example Sentences

A galaxy is a huge collection of gas, dust, and of stars and their solar systems.  A galaxy contains not only stars, but clouds of gas and dust.  All objects in the Galaxy revolve around the Galaxy's center.  The size of a galaxy may be as little as a thousand light-years across or as much as a million light-years across.  A galaxy is a cluster of stars, dust, and gas which is held together by gravity.

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