Science
New view of old light adds twist to debate over universe’s age – EarthSky
Observations of the cosmic microwave background by the Atacama Cosmology Telescope in Chile suggest that the universe is 13.8 billion years old.
A portion of a new picture of the oldest light in the universe, aka the cosmic microwave background. This part covers a section of the sky 50 times the moons width, representing a region of space 20 billion light-years across. Image via Atacama Cosmology Telescope/ ACT Collaboration/ Simons Foundation.
Written by Thomas Sumner for the Simons Foundation. Originally published July 15, 2020.
From a mountain high in Chiles Atacama Desert, astronomers with the National Science Foundations Atacama C…
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