That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...
Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...
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 ...
An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...
Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...
In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...
Astronomers discover a star in Andromeda that may have collapsed into a black hole instead of exploding as a supernova.
A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...
This is a massive star that exploded 35,000 years ago, and the deep-sky image just won an award – a first in the prestigious ...
DS1, collapsed into a black hole without exploding, revealing how stars die in silent “failed supernova” events.
The event was first recorded in 2014, when a Nasa space telescope noticed a massive star in the Andromeda galaxy slowly ...
The formation of a black hole can be quite a violent event, with a massive dying star blowing up and some of its remnants collapsing to form an exceptionally dense object with gravity so strong not ...
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