Astronomers using the National Science Foundation's Very Long Baseline Array (VLBA) have made the first direct geometric measurement of the distance to a magnetar within our Milky Way Galaxy—a measurement that could help ...
Astronomy
Sep 18, 2020
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The nebula known as W51 is one of the most active star-forming regions in the Milky Way galaxy. First identified in 1958 by radio telescopes, it makes a rich cosmic tapestry in this image from NASA's recently retired Spitzer ...
Astronomy
Aug 26, 2020
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Giant elliptical galaxies, the oldest known large galactic structures in the universe, have no spiral arms and little or no current star formation activity, but their central supermassive black holes are often active galactic ...
Astronomy
Aug 21, 2020
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102
Spiral galaxies such as our Milky Way can have sprawling magnetic fields. There are various theories about their formation, but so far the process is not well understood. An international research team has now analyzed the ...
Astronomy
Jul 21, 2020
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An international collaboration bringing together over 200 scientists from 13 countries has shown that the very high-energy gamma-ray emissions from quasars, galaxies with a highly energetic nucleus, are not concentrated in ...
Astronomy
Jun 17, 2020
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Astronomers have peered into the home galaxies of fast radio bursts, ruling out supermassive black holes as a cause and bringing us a step closer to understanding the origins of these mysterious signals from outer space.
Astronomy
Jun 2, 2020
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Astronomers have used mysterious fast radio bursts to solve a decades-old mystery of "missing matter," long predicted to exist in the universe, but never before detected. The researchers have determined that all of the unaccounted ...
Astronomy
May 27, 2020
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The 'Cow' is not alone; with the help of W. M. Keck Observatory on Maunakea in Hawaii, astronomers have discovered two more like it—the 'Koala' and a similar mysterious bright object called CSS161010. This trio of fast ...
Astronomy
May 26, 2020
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Many galaxies far more active than the Milky Way have enormous twin jets of radio waves extending far into intergalactic space. Normally these go in opposite directions, coming from a massive black hole at the centre of the ...
Astronomy
May 8, 2020
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Scientists studying a distant galaxy cluster have discovered the biggest explosion seen in the Universe since the Big Bang.
Astronomy
Feb 27, 2020
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