News tagged with giant stars
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
23 hours ago |
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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. ...
May 22, 2012 |
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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 ...
May 10, 2012 |
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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 ...
May 16, 2012 |
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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."
Mar 19, 2012 |
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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 ...
Jan 11, 2012 |
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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. ...
Mar 20, 2012 |
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Rogue stars ejected from the galaxy are found in intergalactic space
It's very difficult to kick a star out of the galaxy.
Apr 30, 2012 |
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Alien world is blacker than coal
(PhysOrg.com) -- Astronomers have discovered the darkest known exoplanet - a distant, Jupiter-sized gas giant known as TrES-2b. Their measurements show that TrES-2b reflects less than one percent of the sunlight ...
Aug 11, 2011 |
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Blue stragglers: Astronomers discover how mysterious stars stay so young
(PhysOrg.com) -- Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until ...
Oct 19, 2011 |
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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 ...
Dec 21, 2011 |
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Kepler spacecraft gives astronomers a look inside red giant stars
NASA's Kepler Mission is giving astronomers such a clear view of changes in star brightness that they can now see clues about what's happening inside red giant stars.
Mar 30, 2011 |
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Seeing the Closest Aliens Will Take Centuries
As telescopes become more advanced, we’ll be able to see more details about planets orbiting other stars - including indications that those planets have life. However, it would probably take many centuries ...
Space & Earth / Space Exploration
Apr 29, 2010 |
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First temperate exoplanet sized up (w/ Video)
(PhysOrg.com) -- Combining observations from the CoRoT satellite and the ESO HARPS instrument, astronomers have discovered the first “normal” exoplanet that can be studied in great detail. Designated Corot-9b, ...
Mar 17, 2010 |
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Scientists capture 'terrifying' Tolkien-like eclipse (w/ Video)
(PhysOrg.com) -- Scientists have captured a 'terrifying' image of a giant Goliath-like star undergoing a two year eclipse. First discovered by a German astronomer 180 years ago, it is the first close-up image of an eclipse ...
Apr 07, 2010 |
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