What is the definition of Spiral nebula? | Dictionary.net

SPIRAL NEBULA

\spˈa͡ɪ͡əɹə͡l nˈɛbjʊlə], \spˈa‍ɪ‍əɹə‍l nˈɛbjʊlə], \s_p_ˈaɪə_ɹ_əl n_ˈɛ_b_j_ʊ_l_ə]\

Definitions of SPIRAL NEBULA

2006 - WordNet 3.0
2011 - English Dictionary Database

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a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center

2006 - WordNet 3.0
By Princeton University

a galaxy having a spiral structure; arms containing younger stars spiral out from old stars at the center

2011 - English Dictionary Database
By DataStellar Co., Ltd

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