News tagged with expansion of universe

The JCMT celebrates 25 years on top of the world

The James Clerk Maxwell Telescope (JCMT) on Mauna Kea in Hawaii, is celebrating its 25th birthday this week. It first turned its dish to the heavens this week in 1987, and now, a quarter of a century later, ...

Space & Earth / Astronomy

created Apr 28, 2012 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

'Cosmic mirages' confirm accelerated cosmic expansion

(Phys.org) -- An international team of researchers led by Masamune Oguri at Kavli IPMU and Naohisa Inada at Nara National College of Technology conduced an unprecedented survey of gravitationally lensed quasars, ...

Space & Earth / Astronomy

created Apr 11, 2012 | popularity 4.9 / 5 (9) | comments 20 | with audio podcast

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 4 / 5 (19) | comments 68 | with audio podcast

In the early universe, rapid expansion or something very weird

(PhysOrg.com) -- The widely-accepted theory of cosmic inflation states that our universe expanded rapidly in the moments after its birth, resulting in the immense expanse we see today.

Physics / General Physics

created Feb 27, 2012 | popularity 3.6 / 5 (14) | comments 141 | with audio podcast

Leading the quest to crack cosmological mysteries

Sometimes a scientist can only laugh in the face of a seemingly insurmountable challenge.

Physics / General Physics

created Feb 13, 2012 | popularity 3.6 / 5 (14) | comments 125 | with audio podcast

Hubble breaks new ground with discovery of distant exploding star

NASA's Hubble Space Telescope has looked deep into the distant universe and detected the feeble glow of a star that exploded more than 9 billion years ago. The sighting is the first finding of an ambitious ...

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 5 / 5 (3) | comments 0

Strange new 'species' of ultra-red galaxy discovered

In the distant reaches of the universe, almost 13 billion light-years from Earth, a strange species of galaxy lay hidden. Cloaked in dust and dimmed by the intervening distance, even the Hubble Space Telescope ...

Space & Earth / Astronomy

created Dec 01, 2011 | popularity 4.4 / 5 (25) | comments 365 | with audio podcast

A serendipitous gravitational lens

(PhysOrg.com) -- The path traveled by a light beam will bend in the presence of matter. This remarkable prediction, reached by Einstein in his theory of general relativity, was confirmed by observations of ...

Space & Earth / Astronomy

created Nov 21, 2011 | popularity 4.3 / 5 (6) | comments 3 | with audio podcast

Ancient white dwarf stars

(PhysOrg.com) -- Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way Galaxy in this image from 2002. These extremely old, dim "clockwork ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 3.7 / 5 (3) | comments 2

Saul Perlmutter receives Nobel Prize in physics

Saul Perlmutter, an astrophysicist at the U.S. Department of Energy's Lawrence Berkeley National Laboratory and a professor of physics at the University of California at Berkeley, has won the 2011 Nobel Prize ...

Physics / General Physics

created Oct 27, 2011 | popularity 2.5 / 5 (2) | comments 0

G299.2-2.9, a middle-aged supernova remnant

(PhysOrg.com) -- G299.2-2.9 is an intriguing supernova remnant found about 16,000 light years away in the Milky Way galaxy. Evidence points to G299.2-2.9 being the remains of a Type Ia supernova, where a white ...

Space & Earth / Astronomy

created Oct 13, 2011 | popularity not rated yet | comments 3 | with audio podcast

Are Nobels out of step with science?

This year's crop of Nobel prizes has sharpened a sometimes bitter debate as to whether science's top awards should each be limited to just three individuals in an era of collaborative research.

Other Sciences / Other

created Oct 05, 2011 | popularity 4.7 / 5 (3) | comments 35

Nobel winner thought prize call was 'student joke'

When a Swedish voice came down the line informing him he had a "very important call" Tuesday night, Australia's newest Nobel laureate Brian Schmidt assumed it was an elaborate undergraduate joke.

Physics / General Physics

created Oct 05, 2011 | popularity 5 / 5 (1) | comments 7

California physicist shares 2011 Nobel Prize

Saul Perlmutter won the Nobel Prize in physics Tuesday, but it wasn't until the California scientist was awakened by a telephone call from a reporter in Sweden that he learned of the distinction. ...

Physics / General Physics

created Oct 04, 2011 | popularity 5 / 5 (1) | comments 4

'Dark energy' targeted in European space mission

So-called dark energy, believed to play a role in the accelerated expansion of the Universe, will be studied in a major science mission to be launched later this decade, the European Space Agency (ESA) said ...

Space & Earth / Astronomy

created Oct 04, 2011 | popularity 5 / 5 (2) | comments 35