Shockingly Tiny Galaxy Near Andromeda Is Just One-Millionth the Size of the Milky Way
Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...
One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
Black holes spew out powerful jets that span millions of light-years. We're trying to understand their whole life cycle
There is a supermassive black hole at the center of nearly every big galaxy—including ours, the Milky Way (it's called ...
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A new puzzling observation by James Webb Space Telescope: Galaxies in the deep universe rotate in the same direction
Lior Shamir, a computer scientist in the Carl R. Ice College of Engineering at Kansas State University, published a study of ...
Puzzling observation by JWST: Galaxies in the deep universe rotate in the same direction
In just over three years since its launch, NASA's James Webb Space Telescope (JWST) has generated significant and ...
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One large Milky Way galaxy or many galaxies?
He calculated M31’s distance as a prodigious 900,000 light ... His measurements marked the end of the Great Debate about the Milky Way’s size and the nature of the nebulae.
Fast-moving stars reveal supermassive black hole inside nearby galaxy
The Large Magellanic Cloud is a dwarf galaxy residing near our Milky Way, visible to the naked eye as a luminous patch of ...
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Astronomers unveil 1st 3D map of Milky Way interstellar dust properties
BEIJING -- Chinese and foreign astronomers have unveiled the first three-dimensional map of the properties of interstellar ...
2 space objects are traveling so fast, they might exit the galaxy
In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together through the ...
Look for the winter Milky Way and zodiacal light in March
In March the bright winter constellations of Canis Major, Canis Minor, Orion, Gemini, Taurus and Auriga fill the southern sky stretching all the way to zenith — the point directly overhead. Directly ...