PHOTOS: Getting Ready for the World’s Largest Radio Telescope- page 4 | Photos | Smithsonian
(Babak Tafreshi / Science Source)

PHOTOS: Getting Ready for the World’s Largest Radio Telescope

In Chile’s Atacama Desert, astronomers are preparing for a new array that will stretch across 10 miles

Origin of Life

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(ALMA (ESO / NAOJ / NRAO))

They also probed the origins of life when they detected, for the first time, molecules of glycolaldehyde, a simple sugar and essential biochemical building block, in gases surrounding a Sun-like star 400 light-years away. And they discovered a mysterious spiral structure around a red star 1,500 light-years away—the first indication of an unknown companion star orbiting nearby.

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