Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.
Astronomers have puzzled for 88 years about how a pair of binary stars have continued to erupt over the course of a century, but it seems the mystery has finally been solved.first stunned astronomers in 1936 when it suddenly increased in brightness by around 1,000 times. This type of explosive brightening was expected from old, but the stars of FU Ori are just an estimated 2 million years old, mere infants in cosmic terms and compared to our middle-aged 4.
"FU Ori has been devouring material for almost 100 years to keep its eruption going.
Thus, the team theorizes that what they see today with ALMA is the remnants of a much larger supply of matter that once fell into this"It is possible that the interaction with a bigger stream of gas in the past caused the system to become unstable and trigger the brightness increase," Hales continued.
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