Using historical evidence, scientists have been able to pinpoint when the infamous supergiant got its red coloration.
"From a statement by the Danish astronomer Tycho Brahe, one can conclude that, in the 16th century, Betelgeuse was more red thanIn the modern day, astronomers see Betelgeuse as being similar in brightness and color to Antares — found in the constellation ofThe process used by Neuhäuser and his team is described as 'terra-astronomy;' mixing astrophysical research with works studied by researchers in fields as diverse as languages, history, and natural philosophy.
"The view back in time delivers strong impulses and important results," Neuhäuser adds."There are quite a number of astrophysical problems which can hardly be solved without historical observations." Color shifts aren't the only changes that Betelgeuse has been through recently that have caught the attention of astronomers.,' dropping in brightness at an unprecedented rate and falling to around 35 percent of its typical brightness. The dimming began in December of 2019, and Betelgeuse recovered its brightness over the following next few months.
This mysterious reduction in the brightness of the red star was met with a flurry of suggested explanations, with some astronomers even suggesting it could be the result of the star contracting before going supernova.
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