News tagged with cosmological phase

The day the universe froze: New dark energy model includes cosmological phase transition

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 ago, when the universe was a quarter of the size it is today.

Physics / General Physics

created May 08, 2009 | popularity 3.9 / 5 (23) | comments 16




Search results for cosmological phase


NASA lends ultraviolet space telescope to Caltech

(Phys.org) -- Caltech has taken over operation from NASA of the Galaxy Evolution Explorer (GALEX), a space telescope that for the last nine years has been surveying the cosmos in ultraviolet light. In this ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity not rated yet | comments 0

Atomic clock comparison via data highways

(Phys.org) -- Optical atomic clocks measure time with unprecedented accuracy. However, it is the ability to compare clocks with one another that makes them applicable for high-precision tests in fundamental ...

Physics / General Physics

created Apr 27, 2012 | popularity not rated yet | comments 3 | with audio podcast

Wise catches aging star erupting with dust

(Phys.org) -- Images from NASA's Wide-field Infrared Survey Explorer (WISE) reveal an old star in the throes of a fiery outburst, spraying the cosmos with dust. The findings offer a rare, real-time look at ...

Space & Earth / Astronomy

created Apr 26, 2012 | popularity 3.3 / 5 (3) | comments 1 | with audio podcast

The lives of stars, or astronomers as paparazzi

Stars live for a long time, with even the most massive stars having lifetimes measured in millions of years. But, for a mere few thousand years towards the end of their lives, some massive stars go through ...

Space & Earth / Astronomy

created Apr 17, 2012 | popularity 5 / 5 (1) | comments 0

Speca -- An intriguing look into the beginning of a black hole jet

Its catalog number is NGC 3801, but its name is SPECA – a Spiral-host Episodic radio galaxy tracing Cluster Accretion. That’s certainly a mouthful of words for this unusual galaxy, but there’s ...

Space & Earth / Astronomy

created Mar 21, 2012 | popularity 5 / 5 (3) | comments 0

Detection of cosmic effect may bring universe's formation into sharper focus

(PhysOrg.com) -- The first observation of a cosmic effect theorized 40 years ago could provide astronomers with a more precise tool for understanding the forces behind the universe's formation and growth, ...

Space & Earth / Astronomy

created Mar 20, 2012 | popularity 4.9 / 5 (16) | comments 12 | with audio podcast

'Quantum criticality': Ultracold experiments heat up quantum research

(PhysOrg.com) -- University of Chicago physicists have experimentally demonstrated for the first time that atoms chilled to temperatures near absolute zero may behave like seemingly unrelated natural systems ...

Physics / Quantum Physics

created Mar 18, 2012 | popularity 4.6 / 5 (9) | comments 2 | with audio podcast

Using galaxies as yardsticks: Astronomy Professor builds a 3-D map of universe

Daniel Eisenstein is investigating the universe, using galaxies as his ruler, seeking to understand the cosmos’ large-scale structure and confirm theories about the dark energy that drives its expansion.

Space & Earth / Astronomy

created Mar 06, 2012 | popularity 5 / 5 (5) | comments 1

Why we've got the cosmological constant all wrong

(PhysOrg.com) -- Some scientists call the cosmological constant the "worst prediction of physics." And when today’s theories give an estimated value that is about 120 orders of magnitude larger than the ...

Physics / General Physics

created Mar 05, 2012 | popularity 4.5 / 5 (41) | comments 152 | with audio podcast feature

The wild early lives of today's most massive galaxies

(PhysOrg.com) -- Using the APEX telescope, a team of astronomers has found the strongest link so far between the most powerful bursts of star formation in the early Universe, and the most massive galaxies ...

Space & Earth / Astronomy

created Jan 25, 2012 | popularity 4.4 / 5 (5) | comments 2 | with audio podcast


List of search results for cosmological phase