stars
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No, Betelgeuse Won’t Go Supernova in ‘Tens of Years’ — or Even Centuries
The expiration date of Betelgeuse, a massive dying star about 642 light-years from Earth, is a hot topic in astronomy because of the star’s superlative size and its life cycle stage.
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Your Ancestors Might Have Seen This Famous Red Star as Yellow
New research into the star Betelgeuse indicates that the red giant, easily seen in the constellation Orion, may have appeared more orange-yellow in the not-so-distant past.
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This Newly Discovered Neutron Star Might Light the Way for a Whole New Class of Stellar Object
The discovery of a neutron star emitting unusual radio signals is rewriting our understanding of these unique star systems. My colleagues and I (the MeerTRAP team) made the discovery when observing the Vela-X 1 region of the Milky Way about 1,300 light years away from Earth, using the MeerKAT radio telescope in South Africa. We…
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How Did Explosions From Distant Galaxies Create Radio Frequencies?
In 2019, my colleagues and I discovered spooky glowing rings in the sky using CSIRO’s ASKAP radio telescope in Western Australia. The rings were unlike anything seen before, and we had no idea what they were. We dubbed them odd radio circles, or ORCs. They continue to puzzle us, but new data from South Africa’s…