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Astronomy on MSNHow did Edwin Hubble prove Andromeda was a galaxy?How did a Cepheid variable star help Edwin Hubble prove the Andromeda Nebula was a galaxy? Roger BradySan Quentin, California ...
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The Andromeda Galaxy and Local Group: A Fascinating Look at Our Galactic NeighborsThe Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part of the Milky Way, everything changed in 1923 when Edwin Hubble identified ...
Hubble's sharp imaging capabilities can resolve more than 200 million stars in the Andromeda galaxy, detecting only stars brighter than our Sun. They look like grains of sand across the beach.
“For example, Chandra’s X-rays reveal the high-energy radiation around the supermassive black hole at the center of M31 as ...
The Andromeda galaxy is also known as Messier 31. It is a spiral galaxy located about 2.5 million light-years from Earth. On ...
The Andromeda Galaxy, the Milky Way's closest galactic neighbor, glows brightly in a new Hubble Space Telescope image with swathes of ionized gas that fuel star formation.
A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.
NASA: 'Magnificent' Andromeda galaxy in pictures Hubble, with its sharp imaging capabilities, detected more than 200 million stars in the Andromeda galaxy that are brighter than Earth's sun.
The most detailed panorama of the entire Andromeda galaxy is packed with science that could revolutionize our understanding of how spiral galaxies across the universe form and evolve.
Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected. NASA 's Hubble Space Telescope has trained on Andromeda for a deep dive into how its ...
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