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 ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...
Stunning photo mosaic of neighbouring Andromeda Galaxy captures the glow of 200 million stars
To celebrate the 100-year Edwin Hubble discovery that Andromeda was a galaxy outside our own, astronomers release the most ...
200 Million-Star Tapestry: Hubble’s Astonishing New Portrait of Andromeda
The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...
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One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate’
The Andromeda nebula ... redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth.
The Star That Proved the Universe Is Bigger Than We Imagined
Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies At the dawn of the 20th century, astronomers faced a ...
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Facts about the wonders of outer space
There are more stars in the universe than grains of sand on Earth. The latest estimates suggest there are around one septillion stars, which is a 1 followed by 24 zeros. Our sun is a typical G-type ...
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M33: The Triangulum Galaxy
The Triangulum Galaxy, also informally known as the Pinwheel Galaxy, is a spiral galaxy 2.7 million light-years from Earth ...