(PhysOrg.com) -- The center of our Milky Way galaxy is about 27,000 light-years away in the direction of the constellation of Sagittarius. At the very center of the galaxy lies a black hole whose mass is about four million ...
Astronomy
Aug 15, 2011
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A group of international astronomers in the UK, France and the USA, led by the University of Leicester, have found proof to confirm the distance and brightness of the most extreme ultra-luminous X-ray source, which may herald ...
Astronomy
Sep 8, 2010
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(PhysOrg.com) -- Studies of one of the galaxy's most active black-hole binaries reveal a dramatic change that will help scientists better understand how these systems expel fast-moving particle jets.
Astronomy
Dec 10, 2009
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(PhysOrg.com) -- While astronomers have studied lightweight and heavyweight black holes for decades, the evidence for black holes with intermediate masses has been much harder to come by. Now, astronomers at NASA's Goddard ...
Astronomy
Nov 10, 2009
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Cutting-edge telescopes, gravitational waves, black holes and our solar system's central star, the sun, are just a few of the topics that will be on the table in Cape Town, South Africa, for an event that's a scientific version ...
Astronomy
Aug 6, 2024
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Black holes are remarkable astronomical objects with gravity so strong that nothing, not even light, can escape them. The most gigantic ones, known as "supermassive" black holes, can weigh millions to billions times the mass ...
Astronomy
Jul 15, 2024
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When the James Webb Space Telescope was launched at the end of 2021, we expected stunning images and illuminating scientific results. So far, the powerful space telescope has lived up to our expectations. The JWST has shown ...
Astronomy
Jun 6, 2024
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Within almost every galaxy there is a supermassive black hole. This by itself implies some kind of formative connection between the two. We have also observed how gas and dust within a galaxy can drive the growth of galactic ...
Astronomy
Feb 1, 2024
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Within almost every galaxy is a supermassive black hole. Millions, sometimes billions of solar masses are locked within an event horizon of space and time. They can power luminous quasars, drive star formation, and change ...
Astronomy
Jan 25, 2024
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Sometimes astronomers come across objects in the sky that we can't easily explain. In our new research, published in Science, we report such a discovery, which is likely to spark discussion and speculation.
Astronomy
Jan 20, 2024
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