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 ...
Edwin Hubble was young and ambitious ... He recognized that space expanding in between the galaxies could cause the redshifts, making it seem like they were moving farther away from each other ...
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Unveiling the Cosmos: How Astronomers Measure the Age of the UniverseWhen we gaze up at the night sky, it’s hard not to wonder about the vastness of the universe and its origins. The universe, ...
NASA's Hubble Space Telescope has uncovered 36 new dwarf galaxies around Andromeda and ongoing star formation within them, contradicting previous theories. They appear to undergo unique evolution ...
A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Credit: NASA / ESA / J. Dalcanton / B.F. Williams / L.C. Johnson / PHAT team / R. Gendler Surrounding ...
The discovery of the dwarf galaxy Andromeda XXXV --located roughly 3 million light-years away and the smallest yet found in the Andromeda system -- is forcing astronomers to rethink how galaxies ...
The two interacting galaxies making up the pair known as Arp-Madore 608-333 seem to float side by side in this image from the NASA/ESA Hubble Space Telescope. Askew Galaxy Coaxing Star Formation ...
Since Hubble’s launch, astronomers have discovered over 1 trillion galaxies, but Andromeda stands out as the closest and most significant to our Milky Way. Visible to the naked eye on clear ...
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