Sunday, August 11, 2013

ScienceDaily: Astronomy News

ScienceDaily: Astronomy News


On the trail of dark energy: Physicists propose Higgs boson 'portal'

Posted: 10 Aug 2013 03:36 AM PDT

One of the biggest mysteries in contemporary particle physics and cosmology is why dark energy, which is observed to dominate energy density of the universe, has a remarkably small (but not zero) value. Now, two physicists suggest that the Higgs boson could provide a possible "portal" to physics that could help explain some of the attributes of the enigmatic dark energy and help resolve the cosmological constant problem.

Perseid meteors to light up summer skies

Posted: 09 Aug 2013 08:48 AM PDT

The evening of 12 August and morning of 13 August see the annual maximum of the Perseids meteor shower. This year prospects for watching this natural firework display are particularly good.

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