News tagged with star explosion

Neutron star blows away models for thermonuclear explosions

(PhysOrg.com) -- Amsterdam astronomers have discovered a neutron star that confounds existing models for thermonuclear explosions in such extreme objects. In the case of the accreting pulsar IGR J17480-2446, ...

Space & Earth / Astronomy

created Sep 14, 2011 | popularity 4.8 / 5 (23) | comments 74 | with audio podcast

Runaway anti-matter production makes for a spectacular stellar explosion

(PhysOrg.com) -- University of Notre Dame astronomer Peter Garnavich and a team of collaborators have discovered a distant star that exploded when its center became so hot that matter and anti-matter particle ...

Space & Earth / Astronomy

created Jan 04, 2010 | popularity 4.8 / 5 (22) | comments 5 | with audio podcast

Our galaxy might hold thousands of ticking 'time bombs'

(PhysOrg.com) -- In the Hollywood blockbuster "Speed," a bomb on a bus is rigged to blow up if the bus slows down below 50 miles per hour. The premise - slow down and you explode - makes for a great action ...

Space & Earth / Astronomy

created Sep 06, 2011 | popularity 4.6 / 5 (22) | comments 25 | with audio podcast

Why Won't the Supernova Explode?

A massive old star is about to die a spectacular death. As its nuclear fuel runs out, it begins to collapse under its own tremendous weight. The crushing pressure inside the star skyrockets, triggering new ...

Space & Earth / Space Exploration

created Jan 07, 2010 | popularity 4.4 / 5 (23) | comments 9 | with audio podcast

Astrophysicists solve mystery in Milky Way galaxy

A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...

Space & Earth / Astronomy

created Jul 09, 2009 | popularity 4.7 / 5 (19) | comments 7

Rapid supernova could be new class of exploding star

(PhysOrg.com) -- An unusual supernova rediscovered in seven-year-old data may be the first example of a new type of exploding star, possibly from a binary star system where helium flows from one white dwarf ...

Space & Earth / Astronomy

created Nov 05, 2009 | popularity 4.7 / 5 (18) | comments 6

Black Holes in Star Clusters stir up Time and Space (w/ Video)

(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.7 / 5 (18) | comments 6

Fermi telescope explores new energy extremes

(PhysOrg.com) -- After more than three years in space, NASA's Fermi Gamma-ray Space Telescope is extending its view of the high-energy sky into a largely unexplored electromagnetic range. Today, the Fermi ...

Space & Earth / Astronomy

created Jan 10, 2012 | popularity 4.9 / 5 (17) | comments 0 | with audio podcast

Hubble observations of supernova reveal composition of 'star guts' pouring out

Observations 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 into space following ...

Space & Earth / Astronomy

created Sep 02, 2010 | popularity 4.6 / 5 (17) | comments 9 | with audio podcast

Death of a star in 3D

(PhysOrg.com) -- Researchers at the Max Planck Institute for Astrophysics in Garching have for the first time managed to reproduce the asymmetries and fast-moving iron clumps of observed supernovae by complex ...

Space & Earth / Astronomy

created May 11, 2010 | popularity 4.3 / 5 (17) | comments 2 | with audio podcast

NASA's RXTE captures thermonuclear behavior of unique neutron star

(PhysOrg.com) -- A neutron star is the closest thing to a black hole that astronomers can observe directly, crushing half a million times more mass than Earth into a sphere no larger than a city. In October ...

Space & Earth / Astronomy

created Mar 09, 2012 | popularity 4.4 / 5 (16) | comments 10 | with audio podcast

Astronomers Find Rare Beast by New Means

(PhysOrg.com) -- For the first time, astronomers have found a supernova explosion with properties similiar to a gamma-ray burst, but without seeing any gamma rays from it. The discovery, using the National ...

Space & Earth / Astronomy

created Jan 27, 2010 | popularity 4.8 / 5 (14) | comments 9 | with audio podcast

New class of stellar explosions discovered

They're bright and blue-and a bit strange. They're a new type of stellar explosion that was recently discovered by a team of astronomers led by the California Institute of Technology (Caltech). Among the most ...

Space & Earth / Astronomy

created Jun 08, 2011 | popularity 4.8 / 5 (14) | comments 12 | with audio podcast

Seeing a Stellar Explosion in 3D (w/ Video)

(PhysOrg.com) -- Astronomers using ESO’s Very Large Telescope have for the first time obtained a three-dimensional view of the distribution of the innermost material expelled by a recently exploded star. The ...

Space & Earth / Astronomy

created Aug 04, 2010 | popularity 5 / 5 (13) | comments 1 | with audio podcast

New Gamma-Ray Burst Smashes Cosmic Distance Record (w/Video)

(PhysOrg.com) -- NASA's Swift satellite and an international team of astronomers have found a gamma-ray burst from a star that died when the universe was only 630 million years old, or less than five percent ...

Space & Earth / Astronomy

created Apr 28, 2009 | popularity 4.9 / 5 (13) | comments 8