Astronomers have captured the first-ever visual evidence of awhite dwarf star exploding twice in a remarkable supernova event ...

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It's composed of two white dwarfs – the dense cores left behind after stars like our Sun die. What makes this system unique is its high mass and compact orbit.

Finding a "teenage" white dwarf pulsar is particularly exciting because this phase of a star's life is so brief, Rodriguez explains. How brief? "About 40 million years," he says.

More information: Caldon T. Whyte et al, Potential for Life to Exist and be Detected on Earth-like Planets Orbiting White Dwarfs, The Astrophysical Journal Letters (2024). DOI: 10.3847/2041-8213 ...

The center of the nebula is home to the white dwarf WD 2226-210, the dense core of a medium-mass star, which has been the source of an astronomical mystery for decades.

The white dwarf - named WD 2226-210 and located only 650 light-years from Earth - might have destroyed a nearby planet. Dating back to 1980, X-ray missions have picked up an unusual reading from ...

Kepler-62 currently hosts five known exoplanets, with two of them orbiting within its star’s habitable zone. Additionally, while Kepler-62 is still demonstrating nuclear fusion, like our Sun, white ...

The true nature of dark energy is still being debated, but the newly observed diversity of white dwarf explosions may lead to a better understanding of the concept. The nearly 4,000 supernovae events ...

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually increasing in frequency that seem to be coming from a white dwarf - a ...

Somebody must have forgotten to tell the white dwarf, because in March 2024, it was still orbiting the black hole – now even faster, doing one orbit in just 7 minutes.

The black hole in question is 1ES 1927+654, located around 270 million light-years from Earth, with a mass around 1.4 billion times that of the sun. 1ES 1927+654 first announced its weirdness to ...