Question

How big is the Andromeda galaxy? Answer in light-years, please
1st person to answer is Brainliest.

Answer 1

The Andromeda Galaxy has a diameter of about 220,000 ly (67 kpc), making it the largest member of the Local Group in terms of extension, if not mass. The number of stars contained in the Andromeda Galaxy is estimated at one trillion (1×1012), or roughly twice the number estimated for the Milky Way.

Apparent size (V): 3.167° × 1°

Size: ~220 kly (67 kpc) (diameter)

Number of stars: ~1 trillion (1012)

Distance: 2.54 ± 0.11 Mly; (778 ± 33 kpc

Answer 2

Explanation:

110,000 light years

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