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Black Holes

Fastest stars in the Milky Way are ‘runaways’ from another galaxy

Artist’s impression of a runaway star Credit: Amanda Smith, Institute of Astronomy

Fastest stars in the Milky Way are ‘runaways’ from another galaxy

Fastest stars in the Milky Way are ‘runaways’ from another galaxy A group of astronomers have shown that the fastest-moving stars in our galaxy – which are travelling so fast that they can escape the Milky Way – are in fact runaways from a much […]

Groundbreaking discovery confirms existence of orbiting supermassive black holes

Credit: Josh Valenzuela/UNM Artist's conception shows two supermassive black holes, similar to those observed by UNM researchers, orbiting one another more than 750 million light years from Earth.

Groundbreaking discovery confirms existence of orbiting supermassive black holes

Groundbreaking discovery confirms existence of orbiting supermassive black holes For the first time ever, astronomers at The University of New Mexico say they’ve been able to observe and measure the orbital motion between two supermassive black holes hundreds of millions of light years from Earth […]

Hints of extra dimensions in gravitational waves?

Merging black holes generate gravitational waves. These ripples in space-time might be used to unveil hidden dimensions. © Simulating eXtreme Spacetimes (SXS)

Hints of extra dimensions in gravitational waves?

Hints of extra dimensions in gravitational waves? Researchers from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute/AEI) in Potsdam found that hidden dimensions – as predicted by string theory – could influence gravitational waves. In a recently published paper they study the consequences […]

LIGO detects gravitational waves for third time

An international team of researchers has made a third detection of gravitational waves, ripples in space and time, in a discovery that provides new insights into the mysterious nature of black holes and, potentially, dark matter. Credit: LSC/OzGrav

LIGO detects gravitational waves for third time

LIGO detects gravitational waves for third time The Laser Interferometer Gravitational-wave Observatory (LIGO) has made a third detection of gravitational waves, ripples in space and time, demonstrating that a new window in astronomy has been firmly opened. As was the case with the first two […]

LIGO detects more gravitational waves, from even more ancient and distant black hole collisions

Artist’s conception of two merging black holes, spinning in a nonaligned fashion. LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet), CC BY-ND

LIGO detects more gravitational waves, from even more ancient and distant black hole collisions

LIGO detects more gravitational waves, from even more ancient and distant black hole collisions Artist’s conception of two merging black holes, spinning in a nonaligned fashion. LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet), CC BY-ND Sean McWilliams, West Virginia University For the third time in a year and […]

Physicists use Einstein’s ‘spooky’ entanglement to invent super-sensitive gravitational wave detector

Simulating eXtreme Spacetimes

Physicists use Einstein’s ‘spooky’ entanglement to invent super-sensitive gravitational wave detector

Physicists use Einstein’s ‘spooky’ entanglement to invent super-sensitive gravitational wave detector When black holes collide, gravitational waves are created in space itself (image is a computer simulation). The SXS (Simulating eXtreme Spacetimes) Project David Blair, University of Western Australia The first direct detection of gravitational […]