Andromeda XXXV is only about 20,000 times more massive than our Sun—very small, even for a satellite galaxy. For comparison, ...
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 ...
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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Discover Magazine on MSNJWST Findings May Suggest Our Universe Exists Inside a Black HoleObservations about the directions in which galaxies turn have a head-spinning implication: our entire Universe might exist ...
Lior Shamir, a computer scientist in the Carl R. Ice College of Engineering at Kansas State University, published a study of ...
Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...
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.
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ExplorersWeb on MSNSpace Mystery of the Week: Why Does Our Solar System Like Spirals?Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.
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 ...
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 ...
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