726 results for "black holes"

Posted on Feb 3, 2020 in Astronomy, Black Holes, Science “Researchers up until now have theorized the formation and existence for pairs of black holes in the universe, but the...

Posted on Jan 21, 2020 in Astronomy, Black Hole, Science On April 10, 2019 the Event Horizon Telescope (EHT) team unveiled humanity’s first image of a supermassive black hole –described...

Posted on Jan 22, 2020 in Astronomy, Black Holes, Science “According to Einstein’s Theory of General Relativity, nothing can escape from the gravity of a black hole once it has...

Posted on Dec 16, 2019 in Astronomy, Galaxies, Science, Space This stunning image of M51, the Whirlpool Galaxy, with vast its arms like a grand spiral staircase sweeping through space,...

Posted on Dec 11, 2019 in Astronomy, Science, Space On December 5th, astronomers announced the discovery of the biggest black hole ever measured –a gargantuan black hole in galaxy cluster...

Posted on Oct 19, 2019 in Cosmology, Dark Matter, Physics, Science, Space “The really exciting thing about primordial black holes is that there are so many mysteries that in principle...

Posted on Oct 16, 2019 in Astronomy, Physics, Science, Space At the center of the galaxy, millions of stars whirl in orbits around a supermassive black hole that can take...

Posted on Oct 2, 2019 in Astronomy, Black Hole, Science, Space Supermassive black holes simply grow along with the stars independent of their host galaxy’s mass, the larger environment, or...

Two prominent astronomers, Harvard’s Avi Loeb and NASA’s Jeremy Schnittman, have proposed that inhabited planets might exist around the black holes harbored at the center of most galaxies similar to...

Posted on Oct 4, 2019 in Astronomy, Black Hole, Science, Space New research from the RIKEN Cluster for Pioneering Research and the University of Tokyo suggests very strongly that gas...

What is fascinating, says NASA’s principal investigator of the mystery, is the reason why scientists have spent so much time trying to find the black hole seeds –“because it sheds...

“Primordial black holes (PBHs) remain hypothetical objects for the moment,” says Alvise Raccanelli of CERN. “Initially proposed by Stephen Hawking in 1971, they have come back to the fore in...

Posted on Sep 4, 2019 in Astronomy, Black Hole, Science, Space “The supermassive black hole in the center of the quasar gobbles up an enormous amount of nearby materials, which...

Astronomers may soon be able to confirm the existence of a primordial black hole –gravity wells formed just moments after the Big Bang–in our Solar System with gravitational-wave experiments that...

British astrophysicist, Lord Martin Rees, founder of the Center for the Study of Existential Risk, famous for his contributions to black hole formation and the evolution of the universe, has...

Recently, the world was transfixed when the first ever image of a black hole shown above was released by the Event Horizon Telescope. Or, to be more precise, the pictures...

Posted on Aug 7, 2019 in Astronomy, Science, Space “What we believe we are seeing is a rare but important step in the life of these galactic beasts during galaxy...

Posted on Jul 11, 2019 in Astronomy, News, Physics, Science, Space Astronomers have spotted a distant pair of titanic black holes each with a mass more than 800 million times...

The discovery of black holes was the first collision of quantum gravity with general relativity. In 2019, astrophysicists at Ontario’s Western University found evidence for the direct formation of black...

Posted on Jun 26, 2019 in Astronomy, Black Hole, Cosmology, Science Black holes are “a one-way door out of our universe,” said Event Horizon Telescope director and astronomer Sheperd S....

Posted on Jun 12, 2019 in Astronomy, Cosmology, Cosmos, Science, Space “Have you seen your body in X-rays? It looks completely different,” says astrophysicist Rashid Sunyaev. “We will do the...

Posted on May 26, 2019 in Astronomy, Science, Space, Universe How supermassive black holes formed at the birth of a galaxy “is one of the last great mysteries of the...

Posted on May 6, 2019 in Astronomy, Event Horizon Telescope (EHT), Science In space, you can make observations of a supermassive black hole at higher radio frequencies, because the frequencies...

Posted on Apr 2, 2019 in Astronomy, Science An international team of researchers have considered the late Stephen Hawking’s 1974 theory of the existence of primordial black holes, born shortly...

Posted on May 12, 2021 in Black Holes, Milky Way Galaxy, Science Astronomers are beginning to understand what happens when black holes get the urge to roam through the Milky...

Posted on Apr 12, 2019 in Astronomy, Science Earlier this year, astronomers stumbled upon a fascinating finding: thousands of black holes likely exist near the center of our galaxy the...

Posted on Feb 21, 2019 in Astronomy, Black Holes, Neutron Star, Science In the nearby Whirlpool galaxy and its companion galaxy, M51b, two supermassive black holes heat up and devour...

Posted on Jan 28, 2019 “The Lost Hubble” –New! Deepest Image of the Universe Ever Taken “Globular Cluster Opportunity” –Harbors Milky Way’s Oldest Known Planet ” From the Farside –NASA...

Posted on Jan 20, 2019 Galaxies are not necessarily safe from celestial, ultramassive behemoths lurking at their centers: “We have discovered black holes that are far larger and way more...

“Mergers of black holes with neutron stars are exceptionally rare in the Universe.  “An actual merger of a neutron star with a black hole happens, perhaps, once every million years...

Posted on Dec 25, 2018 The scientific collaborations LIGO and Virgo have detected gravitational waves from the fusion of two black holes, inaugurating an exciting new era in the study...

“The fate of black holes in a quantum theory of gravity is, in my view, the most important problem in theoretical physics,” said Jorge Pullin, the Horace Hearne professor of...

Posted on Oct 2, 2018 The confirmation of echoes in the LIGO or Virgo signals would be a practically irrefutable proof that astrophysical black holes don’t exist. Time will tell...

Galaxies are not necessarily safe from celestial, ultramassive behemoths lurking at their centers. The higher a black hole’s mass, the greater its power. “It would be like a mini, galaxy-sized...

“We are back to the standard discussions. What is dark matter? Indeed, we are running out of good options,” said Uroš Seljak, a UC Berkeley professor of physics and astronomy...

Posted on Sep 20, 2018 in Astronomy, Black Hole, Galaxies, Science, Space “This is one of the last great mysteries of the early universe,” said Kirk S. S. Barrow with...

Posted on Aug 30, 2018 in Astronomy, Cosmology, Science, Space In their quest to understand the universe, scientists are faced with some major unsolved puzzles. For example, stars move around...

Posted on Jul 27, 2018 in Astronomy, Science Galaxy outskirts likely hunting grounds for dying massive stars and black holes. Findings from a Rochester Institute of Technology study provide further...

Posted on Jun 22, 2018 in Uncategorized Red nuggets are relics of the first massive galaxies that formed within only one billion years after the Big Bang. While most red...

“Wormholes do not have an event horizon, but act as a space-time shortcut that can be traversed, a kind of very long throat that takes us to another universe,” says...

Posted on Apr 12, 2018 in Uncategorized   Deep space is not as silent as we have been led to believe. Every few minutes a pair of black holes smash...

“There are only about five dozen known black holes in the entire galaxy—120,000 light years wide—and there are supposed to be 10,000 to 20,000 of these things in a region...

“We estimate that a close approach of one of these wanderers that is able to affect our solar system should occur every 100 billion years or so, or nearly 10...

Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe...

Posted on Mar 19, 2018 When giant stars die, they don’t just fade away. Instead they collapse in on themselves, leaving behind a compressed stellar remnant, usually a city-size, superdense...

Posted on Feb 15, 2018 in Black Hole, Galaxies, Universe The growth of the biggest black holes in the Universe is outrunning the rate of formation of stars in the...

Posted on Jan 7, 2018 in Astronomy, Physics, Science, Space “They absolutely dwarf the black hole mergers detected by LIGO,” the Laser Interferometer Gravitational-Wave Observatory, which first detected gravitational waves...

Posted on Dec 19, 2017 in Uncategorized "In this exciting, new era of gravitational wave astronomy, we don't know what we'll find, or where it will lead us," says Joseph...

Posted on Nov 15, 2017 in Uncategorized   "The weirdness of the LIGO discovery" –The detection of gravitational waves created by the merger of two 30-solar-mass black holes (image below)...

Supermassive black holes have been described by astronomers as the “Gates of Hell” and “one-way doors out of the universe.” Now, the existence of primordial black holes, gravity wells formed...