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Tag: Giuseppina Fabbiano
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Nation & World
Cool X-ray disk points to new type of black hole
Black holes are objects so dense and with a gravitational potential so strong that nothing, not even light, can escape the pull if it ventures too close. Black holes are…
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Nation & World
X-ray arcs tell tale of giant eruption
Scientists from the Harvard-Smithsonian Center for Astrophysics (CfA) report that two arc-like structures of multimillion-degree gas in the galaxy Centaurus A appear to be part of a ring 25,000 light…
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Nation & World
Chandra sees wealth of black holes in star-forming galaxies
Three independent teams of research scientists, including one from the Harvard-Smithsonian Center for Astrophysics, used NASA’s Chandra X-ray Observatory to find what they suspect are groups of mid-mass black holes…
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Nation & World
Cosmic ‘superbubbles’ bespeak toil and trouble
The merging Antennae Galaxies in constellation Corvus are producing massive bubbles of expanding X-ray-emitting gas at such astonishing rates that they are bumping into each other. Giuseppina Fabbiano, Andreas Zezas…