black holes tagged posts

Proposing an alternative model for how the universe came to be, a team of astrophysicists suggests that all black holes — from those as tiny as a pin head to those covering billions of miles — were created instantly after the Big Bang and account for all dark matter.

That’s the implication of a study by astrophysicists at the University of Miami, Yale University, and the European Space Agency that suggests that black holes have existed since the beginning of the universe and that these primordial black holes could be as-of-yet unexplained dark matter...

The feeding patterns of black holes offer insight into their size, researchers report. A new study revealed that the flickering in the brightness observed in actively feeding supermassive black holes is related to their mass.

Supermassive black holes are millions to billions of times more massive than the sun and usually reside at the center of massive galaxies...

Astrophysicists employed massive super-computer simulations to calculate the mechanisms that accelerate charged particles in extreme environments. They concluded their energization is powered by the interplay of chaotic motion and reconnection of super-strong magnetic fields.

For decades, scientists have speculated about the origin of ...

Astronomers propose placing two or three satellites in circular orbit around the Earth to observe black holes. Astronomers have just managed to take the first image of a black hole, and now the next challenge facing them is how to take even sharper images, so that Einstein’s Theory of General Relativity can be tested...