News tagged with supernova remnants

Kepler's supernovae

(Phys.org)—Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their ...

Sep 18, 2012
4 / 5 (2) 0

Was Kepler's supernova unusually powerful?

(Phys.org)—In 1604, a new star appeared in the night sky that was much brighter than Jupiter and dimmed over several weeks. This event was witnessed by sky watchers including the famous astronomer Johannes ...

Sep 11, 2012
4.9 / 5 (9) 0 | with audio podcast

Has the speediest pulsar been found?

(Phys.org) -- NASA's Chandra X-ray Observatory and ESA's XMM-Newton in space, and the Parkes radio telescope in Australia -- may have found the fastest moving pulsar ever seen.

Jun 28, 2012
4.6 / 5 (9) 3 | with audio podcast

Space Image: The Veil Nebula

The Veil Nebula, left behind by the explosion of a massive star thousands of years ago, is one of the largest and most spectacular supernova remnants in the sky.

Jun 13, 2012
5 / 5 (2) 0

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

Remnant of an explosion with a powerful kick?

(PhysOrg.com) -- Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions. In its more than twelve years of science operations, NASA's ...

Feb 02, 2012
not rated yet 1 | with audio podcast

Celestial bauble intrigues astronomers

(PhysOrg.com) -- With the holiday season in full swing, a new image from an assembly of telescopes has revealed an unusual cosmic ornament. Data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton have ...

Dec 20, 2011
4.7 / 5 (7) 14 | with audio podcast

Fermi shows that Tycho's star shines in gamma rays

(PhysOrg.com) -- In early November 1572, observers on Earth witnessed the appearance of a "new star" in the constellation Cassiopeia, an event now recognized as the brightest naked-eye supernova in more than ...

Dec 13, 2011
4.9 / 5 (11) 6 | with audio podcast

Telescopes help solve ancient supernova mystery

(PhysOrg.com) -- A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's ...

Oct 24, 2011
4.4 / 5 (11) 8 | with audio podcast

G299.2-2.9, a middle-aged supernova remnant

(PhysOrg.com) -- G299.2-2.9 is an intriguing supernova remnant found about 16,000 light years away in the Milky Way galaxy. Evidence points to G299.2-2.9 being the remains of a Type Ia supernova, where a white ...

Oct 13, 2011
not rated yet 3 | with audio podcast

Space image: New supernova remnant lights up

(PhysOrg.com) -- Using the Hubble Space Telescope, astronomers are witnessing the unprecedented transition of a supernova to a supernova remnant, where light from an exploding star in a neighboring galaxy, ...

Sep 13, 2011
4.9 / 5 (10) 12