News articles tagged with 'supernova'
Two dying stars reborn as one
— 9 Apr 2011 11:49 | AstronomyWhite dwarfs are dead stars that pack a Sun's-worth of matter into an Earth-sized ball. Scientists have just discovered an amazing pair of white dwarfs whirling around each other once…
The best way to measure dark energy just got better
— 14 Jan 2011 16:02 | AstronomyDark energy is a mysterious force that pervades all space, acting as a 'push' to accelerate the Universe's expansion. Despite being 70 percent of the Universe, dark energy was only…
Hubble spots a celestial bauble
— 14 Dec 2010 20:18 | AstronomyHubble has spotted a festive bauble of gas in our neighbouring galaxy, the Large Magellanic Cloud. Formed in the aftermath of a supernova explosion that took place four centuries ago,…
University of Toronto physicists create supernova in a jar
— 3 Dec 2010 17:56 | PhysicsA team of physicists from the University of Toronto and Rutgers University have mimicked the explosion of a supernova in miniature…
Astronomers discover merging star systems that might explode
— 17 Nov 2010 10:59 | AstronomySometimes when you're looking for one thing, you find something completely different and unexpected. In the scientific endeavour, such serendipity can lead to new discoveries. Today,…
NASA's Chandra finds youngest nearby black hole
— 16 Nov 2010 11:42 | AstronomyAstronomers using NASA's Chandra X-ray Observatory have found evidence of the youngest black hole known to exist in our cosmic neighbourhood. The 30-year-old black hole provides a unique…
Giant star goes supernova - and is smothered by its own dust
— 13 Oct 2010 17:03 | AstronomyA giant star in a faraway galaxy recently ended its life with a dust-shrouded whimper instead of the more typical bang. Ohio State University researchers suspect that this odd event…
3-D computer simulations help envision supernovae explosions
— 17 Sep 2010 09:56 | AstronomyFor scientists, supernovae are true superstars - massive explosions of huge, dying stars that shine light on the shape and fate of the universe…
Hubble observations of supernova reveal composition of 'star guts' pouring out
— 3 Sep 2010 13:25 | AstronomyObservations made with NASA's newly refurbished Hubble Space Telescope of a nearby supernova are allowing astronomers to measure the velocity and composition of 'star guts' being ejected…
Fermi detects gamma-rays from exploding nova
— 23 Aug 2010 18:15 | AstronomyUsing the Large Area Telescope (LAT) onboard NASA's Fermi Gamma-ray Space Telescope satellite, astronomers have detected gamma rays from a nova for the first time, a finding that surprises…