News tagged with cool stars


Cool Stars Have Different Mix of Life-Forming Chemicals

Cool Stars Have Different Mix of Life-Forming Chemicals

Space & Earth / Astronomy

created Apr 07, 2009 | popularity 4.6 / 5 (14) | comments 2

(PhysOrg.com) -- Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? A new study from NASA's Spitzer Space Telescope hints that planets ...





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Oddball stars discovered in new Hubble images

Oddball stars discovered in new Hubble images

Space & Earth / Astronomy

created Apr 27, 2009 | popularity 4.3 / 5 (22) | comments 14

(PhysOrg.com) -- Professor Adrienne Cool has discovered 24 unusual stars in an ancient star cluster in the Milky Way. Made of helium rather than the usual carbon and oxygen, these white dwarf stars appear ...


Largest collection of anomalous white dwarfs observed in new Hubble images

Largest collection of anomalous white dwarfs observed by Hubble

Space & Earth / Astronomy

created Apr 23, 2009 | popularity 4.7 / 5 (6) | comments 0

Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are made of ...


Study: Sea stars bulk up to beat the heat

Biology / Plants & Animals

created Nov 17, 2009 | popularity not rated yet | comments 0

A new study finds that a species of sea star stays cool using a strategy never before seen in the animal kingdom. The sea stars soak up cold sea water into their bodies during high tide as buffer against potentially damaging ...


The Carina Nebula

Strong winds over the keel

Space & Earth / Astronomy

created Feb 12, 2009 | popularity 4.3 / 5 (4) | comments 1

The large and beautiful image displays the full variety of this impressive skyscape, spattered with clusters of young stars, large nebulae of dust and gas, dust pillars, globules, and adorned by one of the ...


First stars might have been powered by dark matter

Physics / General Physics

created Feb 12, 2008 | popularity 4.1 / 5 (63) | comments 18

For a long time, scientists have assumed that the very first stars were powered by fusion, in processes similar to what goes on in present day stars. But a new theory is emerging to challenge that view. “The first stars were ...


Herschel views deep-space pearls on a cosmic string

Herschel views deep-space pearls on a cosmic string

Space & Earth / Astronomy

created Oct 02, 2009 | popularity 4.7 / 5 (6) | comments 5

(PhysOrg.com) -- Herschel has delivered spectacular vistas of cold gas clouds lying near the plane of the Milky Way, revealing intense, unexpected activity. The dark, cool region is dotted with stellar factories, ...


Turbulence responsible for black holes' balancing act

Turbulence responsible for black holes' balancing act

Space & Earth / Astronomy

created Jul 14, 2009 | popularity 4.5 / 5 (11) | comments 15

We live in a hierarchical Universe where small structures join into larger ones. Earth is a planet in our Solar System, the Solar System resides in the Milky Way Galaxy, and galaxies combine into groups and ...


Wall Divides East and West Sides of Cosmic Metropolis

Wall Divides East and West Sides of Cosmic Metropolis

Space & Earth / Astronomy

created Jan 27, 2009 | popularity 4.2 / 5 (5) | comments 6

(PhysOrg.com) -- A new study unveils NGC 604, the largest region of star formation in the nearby galaxy M33, in its first deep, high-resolution view in X- rays. This composite image from Chandra X-ray Observatory ...


Verdict: Supermassive black holes not guilty of shutting down star formation

Verdict: Supermassive black holes not guilty of shutting down star formation

Space & Earth / Astronomy

created Jan 22, 2009 | popularity 4.6 / 5 (9) | comments 9

(PhysOrg.com) -- A team of Yale University astronomers has discovered that galaxies stop forming stars long before their central supermassive black holes reach their most powerful stage, meaning the black ...


Amazing Andromeda Galaxy

Amazing Andromeda Galaxy

Space & Earth / Astronomy

created Oct 03, 2006 | popularity 4.3 / 5 (28) | comments 0

The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.



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