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Astronomy Aug 29, 2024

What if you flew your warp drive spaceship into a black hole?

Warp drives have a long history of not existing, despite their ubiquitous presence in science fiction. Writer John Campbell first introduced the idea in a science fiction novel called Islands of Space.

Astronomy Aug 29, 2024

Supercomputer simulations reveal the nature of turbulence in black hole accretion disks

Researchers at Tohoku University and Utsunomiya University have made a breakthrough in understanding the complex nature of turbulence in structures called accretion disks surrounding black holes, using state-of-the-art supercomputers ...

Astronomy Aug 28, 2024

Study provides a more nuanced understanding of black hole thermodynamics

A paper titled "Universality of the thermodynamics of a quantum-mechanically radiating black hole departing from thermality," published in Physics Letters B highlights the importance of considering black holes as dynamical ...

Astronomy Aug 27, 2024

Dark matter could have helped make supermassive black holes in the early universe

It takes a long time for supermassive black holes, like the one at the center of our Milky Way galaxy, to form. Typically, the birth of a black hole requires a giant star with the mass of at least 50 of our suns to burn out—a ...

Astronomy Aug 27, 2024

Event Horizon Telescope makes highest-resolution black hole detections from Earth

The Event Horizon Telescope (EHT) Collaboration has conducted test observations achieving the highest resolution ever obtained from the surface of the Earth, by detecting light from the centers of distant galaxies at a frequency ...

Other Aug 24, 2024

Saturday Citations: Tarantulas and their homies; how mosquitoes find you; black holes not mysterious at all

So much science news this week. It's like a torrential deluge of information bursting explosively through a levee of ignorance. Who built that levee, anyway? How did they get that through the legislature? Anyway, of the hundreds ...

Astronomy Aug 24, 2024

Watch a star get destroyed by a supermassive black hole in the first simulation of its kind

Giant black holes in the centers of galaxies like our own Milky Way are known to occasionally munch on nearby stars.

Astronomy Aug 23, 2024

Professor proposes how a black hole in orbit around a planet could be a sign of an advanced civilization

In 1971, English mathematical physicist and Nobel-prize winner Roger Penrose proposed how energy could be extracted from a rotating black hole. He argued that this could be done by building a harness around the black hole's ...

Astronomy Aug 20, 2024

Supercomputer simulations offer explanation for X-ray radiation from black holes

Researchers at the University of Helsinki have succeeded in something that has been pursued since the 1970s: explaining the X-ray radiation from black hole surroundings. The radiation originates from the combined effect of ...

Astronomy Aug 20, 2024

New simulations shed light on stellar destruction by supermassive black holes

Monash University astronomers have contributed to a breakthrough in understanding the dramatic fate of stars that wander too close to supermassive black holes at the centers of galaxies.

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