See also stories tagged with Hydrogen 
Search results for hydrogen

results timeline

Refine search   


A New Method of Estimating Stellar Distances

A New Method of Estimating Stellar Distances

Space & Earth / Astronomy

created Dec 21, 2009 | popularity 4.4 / 5 (14) | comments 2

(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 ...


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 ...


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 weblog

(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 4

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.


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. ...


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 ...


Voyager makes an interstellar discovery

Voyager makes an interstellar discovery

Space & Earth / Space Exploration

created 23 hours ago | popularity 4.8 / 5 (31) | comments 8

The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.


The Formation of Blue Stragglers

Vampires and collisions rejuvenate stars

Space & Earth / Astronomy

created Dec 23, 2009 | popularity 4.3 / 5 (9) | comments 2

Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...


Marohn describes breakthrough imaging technology

Researchers are on the path to creating nano-MRI images

Physics / General Physics

created Dec 22, 2009 | popularity 4.7 / 5 (6) | comments 1

(PhysOrg.com) -- Cornell researchers are devising methods to detect the magnetic fields of individual electrons and atomic nuclei, which they hope to use to make a nanoscale version of magnetic resonance imaging.


Nanoparticles go platinum: NCEM instruments provide key images

Nanoparticles go platinum: NCEM instruments provide key images

Nanotechnology / Nanophysics

created Dec 21, 2009 | popularity 4.7 / 5 (3) | 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 Dec 21, 2009 | popularity 4.8 / 5 (16) | 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 ...


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 ...


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 4.4 / 5 (14) | 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: ...