Our World

great andromeda galaxy

Great Andromeda Galaxy (wide field)

The Andromeda Galaxy is a spiral galaxy approximately 2.5 million light-years from Earth in the Andromeda constellation. Also known as Messier 31, M31, or NGC 224, it is often referred to as the Great Andromeda Nebula in older texts. The Andromeda Galaxy is the nearest spiral galaxy to our Milky Way galaxy, but not the nearest galaxy overall. It gets its name from the area of the sky in which it appears, the constellation of Andromeda, which was named after the mythological princess Andromeda.The Andromeda Galaxy is the largest galaxy of the Local Group, which also contains the Milky Way, the Triangulum Galaxy, and about 44 other smaller galaxies….

greenland

Greenland’s Zachariae Isstrom and Nioghalvfjerdsfjorden glaciers, acquired on Aug. 30, 2014. Credit: NASA/USGS. It’s big. It’s cold. And it’s melting into the world’s ocean.

mushroom

stretch rising

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