News tagged with helium

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Did GD61 eat a Planetessimal?

The primary method by which astronomers hope to study exoplanet atmospheres is by detecting their absorption spectra as they transit their parent stars. However, another way would be to detect the signal of ...

dateJan 06, 2011 in Astronomy
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A crack in the case for supersolids

New experiments are casting doubt on previously reported observations of supersolid helium. In a paper appearing in the current issue of Physical Review Letters, John Reppy (Cornell University) presents research suggesting that p ...

dateJun 21, 2010 in General Physics
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Astronomers discover 'defiant' new supernova

(PhysOrg.com) -- An international team of astronomers has uncovered a supernova whose origin cannot be explained by any previously known mechanism and which promises exciting new insights into stellar explosions.

dateMay 26, 2010 in Astronomy
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Helium pair have regular violent flare ups

(PhysOrg.com) -- A team of astronomers led by Dr Gavin Ramsay of Armagh Observatory have spotted violent eruptions from an interacting pair of stars that orbit around each other every 25 minutes. Unusually, ...

dateMay 24, 2010 in Astronomy
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Art Seals Reveal Their Secrets

(PhysOrg.com) -- Works of art are valuable and often also very delicate. Their restoration and conservation and their dating and authentication require sophisticated technical methods.

dateMay 19, 2010 in Analytical Chemistry
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