Astronomy and Astrophysics

Black hole activity deduced from reflected X-rays

The supermassive black hole in the center of our galaxy, known as Sagittarius A*, is pretty quiet for a black hole. It does however flare up from time to time, when material is captured, as can be seen in ...

Oct 03, 2014
4.6 / 5 (11) 0

3D modeling of the Sun from the core to the surface

A team at the Astrophysics, Instrumentation and Modeling Laboratory (CEA/CNRS/Université Paris Diderot) has successfully modeled, in 3D, the effects of gravity waves in an extremely comprehensive simulation ...

May 14, 2014
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Magnetar formation mystery solved?

Magnetars are the super-dense remnants of supernova explosions. They are the strongest magnets known in the Universe—millions of times more powerful than the strongest magnets on Earth. A team of astronomers ...

May 14, 2014
4.6 / 5 (29) 6

Astronomers challenge Cosmological Model

(Phys.org) —Astronomers Professor Chris Collins and Dr Ian McCarthy from LJMU's Astrophysics Research Institute are challenging the view that the currently preferred cosmological model of the Universe is ...

Apr 03, 2014
4.6 / 5 (45) 11

Hypergiant star studied

A European research team has published the results of a 30-year study of an extraordinary hypergiant star. They have found that the surface temperature of the super-luminous star HR 8752 increased by about ...

Dec 10, 2012
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