WASHINGTON (Reuters) - Astronomers have detected the early stages of a colossal cosmic collision, observing a pile-up of 14 galaxies 90 percent of the way across the observable universe in a discovery that upends assumptions about the early history of the cosmos.
from Reuters: Science News https://ift.tt/2r0U0uf
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from Reuters: Science News https://ift.tt/2r0U0uf
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