A Star Became 1,000 Times Brighter, and Now Astronomers Know Why

Astronomers first spotted FU Orionis brightening 1,000 times in 1937. Now, they finally think they know why, thanks to ALMA.

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United States ,American ,Antonio Hales ,Aashish Gupta ,Regional Center ,Orionis North ,Atacama Large Millimetre Submillimetre Array ,Accretion Streamer ,Slow Wide Angle Outflow ,North American ,Image Credit ,European Southern Observatory ,