galaxy

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1-7 of 7 possibilities

Definition/MeaningWord/Phrase
constellation in the northern hemisphere between Cassiopeia and Pegasus; contains the Andromeda galaxy Andromeda
spiral galaxy in the constellation of Andromeda that is visible to the naked eye Andromeda galaxy
(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the reciprocal of the Hubble constant is the age of the universe Hubble's constant , Hubble constant
Dutch astronomer who proved that the galaxy is rotating and proposed the existence of the Oort cloud (1900-1992) Jan Hendrix Oort , Oort
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 Milky Way , Milky Way Galaxy , Milky Way System
galaxy other than Milky Way nebula
galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center spiral galaxy , spiral nebula
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