Items tagged with universe

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Stars take 'Wild Rides' Around the Milky Way

Wednesday, June 10th, 2009 - 10:42:24 - Anuradha Menon

Astronomers announced today that stars of a recently discovered type, dubbed ultracool subdwarfs, take some pretty wild rides as they orbit around...

'Key Fingerprint' of Cosmic Inflation
Wednesday, June 3rd, 2009 - Sarah Gingichashvili
Novel NIST sensors may help detect a key fingerprint of cosmic inflation, a sudden growth spurt in the universe believed to...

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Dark-Energy Particle Spotted?

Monday, June 1st, 2009 - 11:59:11 - Ehud Rattner

Cosmologists don't usually take their lead from the animal kingdom. But a model that postulates the existence of a 'chameleon' particle — which would...

Shuttle Blasts Off for Final Hubble Fix

Tuesday, May 12th, 2009 - 16:08:51 - Ehud Rattner

The space shuttle Atlantis blasted off successfully Monday afternoon on NASA's fifth and final repair visit to the Hubble Space Telescope. The...

New Model for Dark Energy

Monday, May 11th, 2009 - 11:53:11 - Ehud Rattner

Imagine a time when the entire universe froze. According to a new model for dark energy, that is essentially what happened about 11.5 billion years...

Telescopes That Could See the Future

Saturday, May 2nd, 2009 - 10:05:59 - Anuradha Menon

A pair of space telescopes to be launched later this month will help to answer some of the biggest questions in the Universe – such as how did we get...

Gamma-Ray Burst Smashes Distance Record

Wednesday, April 29th, 2009 - 12:26:43 - Anuradha Menon

NASA's Swift satellite and an international team of astronomers have found a gamma-ray burst from a star that died when the universe was only 630...

Hubble's Hottest Science Finds

Friday, April 24th, 2009 - 12:04:09 - Anuradha Menon

In honor of the telescope's 19th birthday--April 24, 2009--NASA has released its list of the top 12 science discoveries made using Hubble pictures...

How Big is Our Universe?
Monday, April 20th, 2009 - Sarah Gingichashvili
How big is our Universe? When we ask this question, we usually refer to the size of the observable universe, which consists...