News tagged with massive stars

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Astronomers spy on galaxies in the raw

(Phys.org) —A CSIRO radio telescope has detected the raw material for making the first stars in galaxies that formed when the Universe was just three billion years old—less than a quarter of its current ...

Jun 24, 2013
5 / 5 (4) 2 | with audio podcast

Diagnosing a black hole flare

(Phys.org) -- Black holes can come in a wide range of masses. Some, with only about one solar mass, result from the supernova death of a massive star, while those at the center of galaxies (called supermassive ...

May 07, 2012
5 / 5 (4) 0 | with audio podcast

A black widow's Tango Mortale in gamma-ray light

Pulsars are the compact remnants from explosions of massive stars. Some of them spin around their own axis hundreds of times per second, emitting beams of radiation into space. Until now, they could only ...

Oct 25, 2012
5 / 5 (7) 0 | with audio podcast

Fire burn and cauldron bubble in Canis Major

The cosmic cauldron has brewed up a Halloween trick in the form of a ghostly face that glows in X-rays, as seen by ESA's XMM-Newton space telescope. The eerie entity is a bubble bursting with the fiery stellar ...

Oct 30, 2012
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NGC 6334: A mini starburst region?

(Phys.org) —Stars are known to form in dense clouds of gas and dust, but why do some regions show prodigious rates of star formation, while others barely produce any young stars at all? Many of the richest ...

Jun 05, 2013
5 / 5 (1) 3 | with audio podcast

Suspects in the quenching of star formation exonerated

Supermassive black holes millions to billions times the mass of our Sun lie at the heart of most, maybe all large galaxies. Some of these power brilliantly luminous, rapidly growing objects called active galactic nuclei that ...

Oct 11, 2011
4.4 / 5 (5) 2 | with audio podcast

Ultra-luminous x-ray sources

(PhysOrg.com) -- An ultra-luminous X-ray source (ULX) emits more radiation in the X-rays than do a million suns at all wavelengths. ULXs are rare: Most galaxies, including our own Milky Way, have none, and ...

Mar 19, 2012
5 / 5 (7) 1 | with audio podcast

The 'flame' burns bright in new WISE image

(Phys.org) -- A new image from NASA's Wide-field Infrared Survey Explorer, or WISE, shows the candle-like Flame nebula lighting up a cavern of dust. The Flame nebula is part of the Orion complex, a turbulent ...

Jul 03, 2012
4.2 / 5 (5) 0 | with audio podcast

X-raying stellar winds in a high-speed collision

(Phys.org)—Two massive stars racing in orbit around each other have had their colliding stellar winds X-rayed for the first time, thanks to the combined efforts of ESA's XMM-Newton and NASA's Swift space ...

Oct 12, 2012
5 / 5 (3) 3 | with audio podcast

Star explosion leaves behind a rose

(PhysOrg.com) -- About 3,700 years ago, people on Earth would have seen a brand-new bright star in the sky. It slowly dimmed out of sight and was eventually forgotten, until modern astronomers later found ...

Dec 12, 2011
4.4 / 5 (5) 0 | with audio podcast