November 27, 2021

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Śmierć białego karła (fot. NASA)

The Hubble Space Telescope has captured the remnants of a white dwarf star supernova

NASA said the Hubble Space Telescope has captured an image of bands of gas left by a giant star explosion known as a supernova.

NASA flaunted a photo of an extremely rare phenomenon on Twitter. “This latest image from @NASAHubble quickly caught our attention. A true supernova envelope contains hotter gas and shimmers more in X-rays than what is left of a Type 1a supernova.” He states that “these cosmic bands of gas left behind by a giant star explosion known as a supernova. DEM L249 is a remnant of a Type 1a supernova, the death of a white dwarf.”

small white dwarf astronomical body, It is about the size of the Earth. It consists of a decomposing substance that emits, among other things, visible radiation. It arises after nuclear reactions stop in a low to medium mass star.

“It’s usually stable, but in a binary system – two stars orbiting around each other – A white dwarf can gravitationally extract a lot of matter from its companion, It reaches a critical mass and explodes,” NASA writes.



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Astronomers discovered that his The gas is hotter and brighter under X-rays than what is left of a typical Type 1a supernova. Researchers believe it was larger than expected. “Heavier stars were spewing out more gas – which also meant that they would have died earlier in their life cycle,” she added. .

Search for survivors of the fellow white dwarf

The Hubble Space Telescope captured this image while searching for surviving companions of white dwarfs who went to a supernova in the Large Magellanic Cloud.

Hubble Space Telescope It is a project of international cooperation between NASA and the European Space Agency.


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