Milky Way(redirected from Milky Way (astronomy))
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1. The galaxy containing the sun, solar system, and all of the individually visible stars in the night sky, along with various nebulae, star clusters, and dust clouds, thought to have a super-massive black hole at its center of mass.
2. The broad meandering band of faint light that consists of stars from this galaxy and is often visible in the night sky.
[Middle English, translation of Latin via lactea : via, way + lactea, feminine of lacteus, milky.]
1. (Celestial Objects) the diffuse band of light stretching across the night sky that consists of millions of faint stars, nebulae, etc, within our Galaxy
2. (Celestial Objects) another name for the Galaxy
[C14: translation of Latin via lactea]
the spiral galaxy containing our solar system, seen as a luminous band stretching across the night sky and composed of approximately a trillion stars.
[1350–1400; Middle English, translation of Latin via lactea; compare galaxy]
The galaxy containing the solar system. It is visible as a broad band of faint light in the night sky.
The spiral galaxy home of our solar system. Its 150 billion stars extend for 500,000 light years and have existed for about 12 billion years.
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|Noun||1.||Milky Way - the galaxy containing the solar system; consists of millions of stars that can be seen as a diffuse band of light stretching across the night sky|
extragalactic nebula, galaxy - (astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust; "`extragalactic nebula' is a former name for `galaxy'"
heliosphere - the region inside the heliopause containing the sun and solar system