Its cosmic corsage tells a story of death and rebirth. Within a few million years — a blink of an eye in the universe’s life — the gas and dust will either become budding young stars and planetary ...
Prior to that 1915 discovery, scientists believed that all the stars in the night sky belonged to a single galaxy, and they had no concept of the scale of the wider universe. But in the century ...
New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...
Credit: NASA / ESA / CSA / Kristen McQuinn Most small galaxies that stopped making new stars in the early universe never resumed operations. Something caused their celestial factories to shutter.
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