Walter Baade

Messier 31: Andromeda Galaxy

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andromeda galaxy,ngc 224

Messier 31 (M31), better known as the Andromeda Galaxy, is a large spiral galaxy located in the constellation Andromeda. Lying at a distance of 2.54 million light years from Earth, the Andromeda Galaxy is the nearest major galaxy to our own. It is on a collision course with our home galaxy, the Milky Way. Messier 31 has an apparent magnitude of 3.44. Its designation in the New General Catalogue is NGC 224.
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Messier 9

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ngc 6333,globular cluster

Messier 9 (M9) is a globular cluster located in the southern constellation Ophiuchus. It has the designation NGC 6333 in the new General Catalogue. The cluster lies at a distance of 25,800 light years from Earth. With an apparent magnitude of 8.42, it is too faint to be seen with the naked eye.
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