Astronomers may have discovered a new kind of survival story: a star that had a brush with a giant black hole and lived to tell the tale through exclamations of X-rays.
Astronomy
Apr 24, 2020
3
5111
A giant collision of several galaxy clusters, each containing hundreds of galaxies, has produced this spectacular panorama of shocks and energy. The collisions generated shock waves that set off a celestial fireworks display ...
Astronomy
Nov 7, 2017
14
312
A Chalmers-led team of astronomers has for the first time observed details on the surface of an aging star with the same mass as the sun. ALMA's images show that the star is a giant, its diameter twice the size of Earth's ...
Astronomy
Nov 7, 2017
2
291
For decades, astronomers have known about irregular outbursts from the double star system V745 Sco, which is located about 25,000 light years from Earth. Astronomers were caught by surprise when previous outbursts from this ...
Astronomy
Sep 18, 2017
0
638
There may be fewer pairs of supermassive black holes orbiting each other at the cores of giant galaxies than previously thought, according to a new study by astronomers who analyzed data from the National Science Foundation's ...
Astronomy
Sep 21, 2015
2
113
(Phys.org) —University of Auckland physicist Dr Miro Erkintalo is part of an international team investigating how lasers and optical fibres can be used to understand freakishly large waves on the ocean.
Optics & Photonics
Sep 29, 2014
0
0
Weather extremes in the summer—such as the record heat wave in the United States that hit corn farmers and worsened wildfires in 2012—have reached an exceptional number in the last ten years. Man-made global warming can ...
Earth Sciences
Aug 11, 2014
33
0
Their effect on the surface of the ocean is negligible, producing a rise of just inches that is virtually imperceptible on a turbulent sea. But internal waves, which are hidden entirely within the ocean, can tower hundreds ...
Earth Sciences
Jan 8, 2014
2
0
(Phys.org)—Call it a Saturnian version of the Ouroboros, the mythical serpent that bites its own tail. In a new paper that provides the most detail yet about the life and death of a monstrous thunder-and-lightning storm ...
Space Exploration
Jan 31, 2013
3
0
(Phys.org)—A new view of a 20,000-year old supernova remnant demonstrates the upgraded imaging power of the National Science Foundation's (NSF) Karl G. Jansky Very Large Array (VLA) and provides more clues to the history ...
Astronomy
Jan 19, 2013
0
0
