Andromeda | Galaxy, Stars, Mythology | Britannica
britannica.com
Andromeda | Galaxy, Stars, Mythology | Britannica
Andromeda, in astronomy, constellation of the northern sky at about one hour right ascension and 40° north declination. The brightest star, Alpheratz (from the Arabic for “horse’s navel”; the star was once part of the constellation Pegasus), has a magnitude of 2.1. Its most notable feature is the
7 months ago
Andromeda Galaxy Facts
🌌 Andromeda Galaxy (M31) — Scientific Overview The #Andromeda Galaxy is the nearest large spiral galaxy to the #MilkyWay and the largest member of the Local Group. 🔭 Key Facts Type: Unbarred spiral galaxy (SA(s)b) Distance: ~2.54 million light-years Diameter: ~220,000 light-years (larger than the Milky Way) Number of stars: ~1 trillion Constellation: Andromeda ⭐ Structure & Contents Prominent dust lanes and active star-forming regions Central supermassive black hole with a mass of ~100 million
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🌌 Andromeda Galaxy (M31) — Scientific Overview The #Andromeda Galaxy is the nearest large spiral galaxy to the #MilkyWay and the largest member of the Local Group. 🔭 Key Facts Type: Unbarred spiral galaxy (SA(s)b) Distance: ~2.54 million light-years Diameter: ~220,000 light-years (larger than the Milky Way) Number of stars: ~1 trillion Constellation: Andromeda ⭐ Structure & Contents Prominent dust lanes and active star-forming regions Central supermassive black hole with a mass of ~100 million
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