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A New Method of Estimating Stellar Distances

A New Method of Estimating Stellar Distances

Space & Earth / Astronomy

created 13 hours ago | popularity 4.7 / 5 (10) | comments 0

(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created 8 hours ago | popularity 5 / 5 (2) | comments 0

At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...


Brown dwarf pair mystifies astronomers

Brown dwarf pair mystifies astronomers

Space & Earth / Astronomy

created 13 hours ago | popularity 4.7 / 5 (11) | comments 0

(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...


Black Holes in Star Clusters stir up Time and Space

Black Holes in Star Clusters stir up Time and Space (w/ Video)

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.8 / 5 (16) | comments 6

(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...


Giant Planet Set for a Cataclysmic Show

Giant Planet Set for a Cataclysmic Show

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.9 / 5 (16) | comments 4

(PhysOrg.com) -- A team of Chinese astronomers have discovered a giant planet close to the exotic binary star system QS Virginis. Although dormant now, in the future the two stars will one day erupt in a violent ...


New way to break some of the strongest chemical bonds

New way to break some of the strongest chemical bonds

Chemistry / Materials Science

created Dec 16, 2009 | popularity 4.6 / 5 (24) | comments 0

(PhysOrg.com) -- Scientists at Cornell University in the U.S. have found a new way of breaking two of the strongest chemical bonds, at ambient temperature and pressure, and this breakthrough could lead to ...


Close-up photos of dying star show our sun's fate

Close-up photos of dying star show our sun's fate (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 5 / 5 (21) | comments 5

(PhysOrg.com) -- About 550 light-years from Earth, a star like our Sun is writhing in its death throes. Chi Cygni has swollen in size to become a red giant star so large that it would swallow every planet ...


Theorists propose a new way to shine -- and a new kind of star

Physics / General Physics

created Dec 14, 2009 | popularity 4.5 / 5 (12) | comments 3

Dying, for stars, has just gotten more complicated. For some stellar objects, the final phase before or instead of collapsing into a black hole may be what a group of physicists is calling an electroweak star.


Inside the dark heart of the Eagle

Inside the dark heart of the Eagle

Space & Earth / Astronomy

created Dec 16, 2009 | popularity 4.6 / 5 (8) | comments 1

(PhysOrg.com) -- Herschel has peered inside an unseen stellar nursery and revealed surprising amounts of activity. Some 700 newly-forming stars are estimated to be crowded into filaments of dust stretching ...


Miracle light: Can lasers solve the energy crisis?

Technology / Energy

created Dec 15, 2009 | popularity 4.3 / 5 (13) | comments 4

Next year will mark the 50th birthday of the laser, one of the most productive and widely used mega-inventions of the last century. Scientists hope that 2010 also will see the launch of laser technology's greatest challenge: ...


US launches space-mapping satellite WISE

WISE satellite blasts off on space-map mission

Space & Earth / Space Exploration

created Dec 14, 2009 | popularity 4.8 / 5 (6) | comments 4

NASA launched Monday a new breed of satellite called WISE on a mission to orbit Earth and map the skies to find elusive cosmic objects, including potentially dangerous asteroids.


Toward home-brewed electricity with 'personalized solar energy'

Toward home-brewed electricity with 'personalized solar energy'

Technology / Energy

created Dec 16, 2009 | popularity 4.2 / 5 (5) | comments 0

New scientific discoveries are moving society toward the era of "personalized solar energy," in which the focus of electricity production shifts from huge central generating stations to individuals in their ...


A Superbright Supernova That’s the First of Its Kind

A Superbright Supernova That’s the First of Its Kind

Space & Earth / Astronomy

created Dec 02, 2009 | popularity 4.7 / 5 (24) | comments 6

(PhysOrg.com) -- An extraordinarily bright, extraordinarily long-lasting supernova named SN 2007bi, snagged in a search by a robotic telescope, turns out to be the first example of the kind of stars that first ...


Hubble's Festive View of a Grand Star-Forming Region (w/ Video)

Space & Earth / Astronomy

created Dec 15, 2009 | popularity 4.5 / 5 (4) | comments 0

(PhysOrg.com) -- Just in time for the holidays: a Hubble Space Telescope picture postcard of hundreds of brilliant blue stars wreathed by warm, glowing clouds. The festive portrait is the most detailed view of the largest ...


Researchers develop cheap, easy 'kitchen chemistry' to perform formerly complex synthesis

Chemistry / Analytical Chemistry

created Dec 04, 2009 | popularity 4.6 / 5 (12) | comments 0

A team at The Scripps Research Institute has made major strides in solving a problem that has been plaguing chemists for many years: how best to break carbon-hydrogen bonds and then to create new bonds to join molecules together. ...