For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...
The team discovered the star by analyzing archival data from NASA’s NEOWISE mission. They used a prediction from the 1970s ...
Galaxies are massive, far exceeding the size of the one depicted in the movie “Men in Black.” These celestial bodies span ...
In 2014, a NASA telescope observed that the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around ...
A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...
A “disappearing” star in the Andromeda galaxy is the closest and best candidate for a newborn black hole that astronomers have ever seen ...
Using archival data from NASA’s NEOWISE mission along with data from other space and ground-based observatories, astronomers identified the clearest observational record yet of a massive star fading ...
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