The result is an impressive panorama, revealing approximately 200 million stars and extending six times the apparent diameter of the full Moon in the night sky.
Astronomers refer to the Andromeda Galaxy as M31 because it is the 31st object listed in the Messier Catalog, a list of astronomical objects compiled by French astronomer Charles Messier.
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...
The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...
It is a panoramic view of the neighboring Andromeda galaxy, located 2.5 million light-years away. It took over 10 years to make this vast and colorful portrait of the galaxy, requiring over 600 ...
Despite its nearness, photographing the entire Andromeda Galaxy is no easy task ... you can even see Andromeda (also known as M31) with the naked eye. In addition, it may be home to upward ...
"Andromeda looks like a transitional type of galaxy that's between a star-forming ... Ultraviolet and Optical Photometry of over 90 Million Stars in M31, The Astrophysical Journal (2025).
The result is therefore called “Hubble M31 PHAT+PHAST Mosaic”, M31 being the name of the Andromeda Galaxy in the central Messier catalog. A version with a resolution of 42,208×9870 pixels is ...
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