News tagged with massive stars

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X-rays discovered from young supernova remnant

(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection ...

Jul 31, 2012
4.3 / 5 (6) 0 | with audio podcast

A star explodes, turns inside-out

(PhysOrg.com) -- A new X-ray study of the remains of an exploded star indicates that the supernova that disrupted the massive star may have turned it inside out in the process. Using very long observations ...

Mar 29, 2012
4.8 / 5 (14) 7 | with audio podcast

Common physics among black holes

(Phys.org)—Black holes range from modest objects formed when individual stars end their lives to behemoths billions of times more massive that rule the centers of galaxies. A new study using data from NASA's ...

Dec 13, 2012
4.7 / 5 (11) 30 | with audio podcast

How big is the biggest star we have ever found?

The universe is such a big place that it is easy to get baffled by the measurements that astronomers make. The size of UY Scuti, possibly one of the largest stars we have observed to date, is certainly baffling.

Feb 09, 2015
4.8 / 5 (92) 8

What is the upper limit for massive stars?

Yesterday I mentioned that hypernovae (super-supernovae) are the result of the explosion of a star that's about as massive as a star can be (about 150-200 solar masses). But how exactly do we know that t ...

Oct 07, 2014
4.9 / 5 (57) 22

How the largest star known is tearing itself apart

(Phys.org) —An international team of astronomers has observed part of the final death throes of the largest known star in the universe as it throws off its outer layers. The discovery, by a collaboration ...

Oct 16, 2013
4.6 / 5 (41) 58 | with audio podcast

New candidate for most distant object in universe

(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...

May 25, 2011
5 / 5 (8) 8 | with audio podcast