planets

Hubble Telescope Discovers 6 Mysteriously Dead, Massive Galaxies from Early Universe

Scientists studying early galaxies were stunned earlier this year when they discovered six massive galaxies that seem to have died during the universe's most active period of star birth. NASA's Hubble Space Telescope spied the six galaxies, which appeared to have run out of the cold hydrogen gas needed to make stars while most other galaxies were producing new stars at a rapid pace.

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