News tagged with age of the universe

Proposed nuclear clock may keep time with the Universe

(PhysOrg.com) -- A proposed new time-keeping system tied to the orbiting of a neutron around an atomic nucleus could have such unprecedented accuracy that it neither gains nor loses 1/20th of a second in 14 ...

Physics / General Physics

created Mar 08, 2012 | popularity 4.6 / 5 (27) | comments 11 | with audio podcast

New instrument peers through the heart of the Milky Way

(PhysOrg.com) -- Astronomy has a powerful new tool to probe the structure of our galaxy. The Apache Point Observatory Galactic Evolution Experiment (APOGEE) spectrograph is the newest instrument deployed by ...

Space & Earth / Astronomy

created Jan 09, 2012 | popularity 4.3 / 5 (3) | comments 0

Research team shows nuclear clock could be 60 times more accurate than atomic clock

(PhysOrg.com) -- For almost sixty years, the world has considered the atomic clock the gold standard for keeping time. Its accuracy is such that it drifts by only about four seconds over a period of about ...

Physics / General Physics

created Nov 09, 2011 | popularity 5 / 5 (10) | comments 51 | with audio podcast report

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

Astronomers discover new way to measure Universe

(PhysOrg.com) -- Astronomers at Copenhagen's Niels Bohr Institute have found a new way to measure distances. This may not sound like much, but working out how far away something is, is one of the toughest ...

Space & Earth / Astronomy

created Sep 27, 2011 | popularity 4.3 / 5 (16) | comments 12 | with audio podcast

A new way to measure the expansion of the universe

A PhD student from The International Centre for Radio Astronomy Research (ICRAR) in Perth has produced one of the most accurate measurements ever made of how fast the Universe is expanding.

Space & Earth / Astronomy

created Jul 26, 2011 | popularity 4.6 / 5 (20) | comments 173 | with audio podcast

Possibly the most distant object known

The most distant objects in the universe are also the oldest -- or at least that is how they appear to us, because their light has had to travel for billions of years to get here. They are also extraordinarily ...

Space & Earth / Astronomy

created Jul 18, 2011 | popularity 4.7 / 5 (20) | comments 204 | with audio podcast

Physicists calculate how to make atomic clocks super-accurate

(PhysOrg.com) -- When it comes to atomic clocks, every second counts. In fact, according to Marianna Safronova, every quintillionth of a second counts.

Physics / General Physics

created Jun 02, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Mini black holes that look like atoms could pass through Earth daily

(PhysOrg.com) -- In a new study, scientists have proposed that mini black holes may interact with matter very differently than previously thought. If the proposal is correct, it would mean that the time it ...

Physics / General Physics

created May 13, 2011 | popularity 4.8 / 5 (24) | comments 62 | with audio podcast report

Three times farther away in outer space than previously possible -- a new way to measure cosmic distances

Ohio State University researchers have found a way to measure distances to objects three times farther away in outer space than previously possible, by extending a common measurement technique.

Space & Earth / Astronomy

created Jun 08, 2009 | popularity 4.9 / 5 (20) | comments 0