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News tagged with giant star

Related topics: stars , white dwarfs

Team finds buckyballs grow larger by 'eating' vaporized carbon

(Phys.org) -- Fullerenes were first discovered back in 1985 by a team of physicists vaporizing graphite in helium gas, one class of which, the buckminsterfullerene (C60) named after Buckminster Fuller and ...

Nanotechnology / Nanomaterials

created 23 hours ago | popularity 4 / 5 (2) | comments 0 | with audio podcast weblog

Capturing planets

(Phys.org) -- The discovery of planets around other stars has led to the realization that alien solar systems often have bizarre features - at least they seem bizarre to us because they were so unexpected. ...

Space & Earth / Astronomy

created May 22, 2012 | popularity 4.3 / 5 (4) | comments 5 | with audio podcast

Baby galaxies grew up quickly

Baby galaxies from the young Universe more than 12 billion years ago evolved faster than previously thought, shows new research from the Niels Bohr Institute. This means that already in the early history of ...

Space & Earth / Astronomy

created May 16, 2012 | popularity 4.8 / 5 (5) | comments 67 | with audio podcast

Ultra-cool companion helps reveal giant planets

(Phys.org) -- An international team of astronomers led by David Pinfield of the University of Hertfordshire has found a brown dwarf that is more than 99% hydrogen and helium. Described as ultra-cool, it has ...

Space & Earth / Astronomy

created May 10, 2012 | popularity 4.8 / 5 (6) | comments 0 | with audio podcast

Rogue stars ejected from the galaxy are found in intergalactic space

It's very difficult to kick a star out of the galaxy.

Space & Earth / Astronomy

created Apr 30, 2012 | popularity 4.8 / 5 (13) | comments 15 | with audio podcast

Astronomers solve the mystery of stellar 'superwind'

Astronomers at the University of Manchester believe they have found the answer to the mystery of a powerful "superwind" which causes the death of stars.

Space & Earth / Astronomy

created Apr 11, 2012 | popularity 4.8 / 5 (6) | comments 5 | with audio podcast

Swift narrows down origin of important supernova class

(PhysOrg.com) -- Studies using X-ray and ultraviolet observations from NASA's Swift satellite provide new insights into the elusive origins of an important class of exploding star called Type Ia supernovae. ...

Space & Earth / Astronomy

created Mar 20, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Some orbits more popular than others in solar systems

(PhysOrg.com) -- In young solar systems emerging around baby stars, some orbits are more popular than others, resulting in “planet pile-ups” and “planet deserts."

Space & Earth / Astronomy

created Mar 19, 2012 | popularity 4.8 / 5 (12) | comments 8 | with audio podcast

Stars with dusty disks should harbor Earth-like worlds

Stars with disks of debris around them might be good targets to search for Earth-like planets, researchers say.

Space & Earth / Astronomy

created Mar 09, 2012 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast

Firestorm of star birth in Galaxy Centaurus A

(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.

Space & Earth / Astronomy

created Mar 08, 2012 | popularity 5 / 5 (1) | comments 0

The star factory: observing Arp 220

Using the Herschel Space Observatory, Wilson's group has found Arp 220 to have large amounts of very warm molecular hydrogen gas, a surprising find that implies molecular hydrogen is the dominant coolant in the high-temperature ...

Space & Earth / Astronomy

created Feb 18, 2012 | popularity 5 / 5 (2) | comments 4

Planets around stars are the rule rather than the exception

There are more exoplanets further away from their parent stars than originally thought, according to new astrophysics research.

Space & Earth / Astronomy

created Jan 12, 2012 | popularity 4.4 / 5 (9) | comments 4 | with audio podcast

New class of planetary systems: Astronomers find two new planets orbiting double suns

Using data from NASA’s Kepler Mission, astronomers announced the discovery of two new transiting “circumbinary” planet systems -- planets that orbit two stars. This work establishes that such ...

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 5 / 5 (10) | comments 12 | with audio podcast

Image: Active Galaxy Centaurus A

(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.

Space & Earth / Astronomy

created Jan 04, 2012 | popularity 4.8 / 5 (4) | comments 0

Can Earth-sized planets survive their star's expansion?

Two Earth-sized planets have been discovered circling a dying star that has passed the red giant stage. Because of their close orbits, the planets must have been engulfed by their star while it swelled up ...

Space & Earth / Astronomy

created Dec 21, 2011 | popularity 4.7 / 5 (12) | comments 18 | with audio podcast