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Science Friday
:: Atom & Cosmos
Top Stories | November 8
:: More in Atom & Cosmos
Gamma-ray sources guide astronomers to pulsars
Gamma-ray emissions are providing a guide to finding the compact, rapidly rotating remnants of massive stars known as pulsars.
Giant galaxy graveyard grows
The largest known galactic congregation is bigger than astronomers thought—and its inhabitants are all dead or dying.
Volcanic and ferric surprises on Mercury
Volcanic activity is more recent than expected, MESSENGER shows on its third flyby of the planet. Also, surface iron occurs as oxides.
New way to help avoid a space shuttle disaster
A new technique to make shuttle launches safer combines tricks from particle colliders, moon landings and vulture tracking.
Gamma-ray observations shrink known grain size of spacetime
A new study eliminates some theories of quantum gravity by finding that spacetime isn’t as lumpy as some models had proposed.
:: Science News
11|7 Issue Links
Largest known planetary ring discovered
Researchers have found a dusty band that circles Saturn and has a radius of more than 12 million kilometers.
Europa's proposed ocean could be rich in oxygen
A proposed ocean on Jupiter’s moon Europa may receive about 100 times more oxygen than previously estimated.
Ice confirmed on an asteroid
Reporting from the American Astronomical Society meeting in Puerto Rico, planetary scientists confirm, for the first time, the presence of frozen water on an asteroid.
Inspecting an asteroid that hit Earth
Researchers have analyzed fragments from 2008 TC3, the first asteroid ever tracked during its descent.
Moon crash delivers no obvious plume
But the two impacts still yield data that could help in search for water
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