Astronomers have made a groundbreaking discovery: a swarm of over 100 stellar-mass black holes is traversing through the ...
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What Is a Galaxy?
Looking at a distant galaxy means looking back in time.
Expansion of the universe had already been anticipated by theorists. In the early 1920s, Alexander Friedmann and Georges ...
Astronomers will soon begin a search of 2,800 galaxies for signs of advanced alien civilizations using a radio telescope in ...
NASA's Hubble Space Telescope has captured a breathtaking image of the spiral galaxy NGC 3430, situated 100 million light-years from Earth in the Leo Minor constellation. Scientists, using data from ...