News tagged with gravitational stability

ESA to launch two large observatories to look deep into space and time

(PhysOrg.com) -- Two of the most sophisticated astronomical spacecraft ever built - Herschel and Planck - will be launched by ESA this month towards deep space orbits around a special observation point beyond ...

Space & Earth / Space Exploration

created May 07, 2009 | popularity 4 / 5 (1) | comments 0




Search results for gravitational stability


Splatters of molten rock signal period of intense asteroid impacts on Earth

New research reveals that the Archean era — a formative time for early life from 3.8 billion years ago to 2.5 billion years ago — experienced far more major asteroid impacts than had been previously ...

Space & Earth / Space Exploration

created Apr 25, 2012 | popularity 4.6 / 5 (7) | comments 2 | with audio podcast

'Star Comb' joins quest for Earthlike planets

(PhysOrg.com) -- If there is life on other planets, a laser frequency comb developed at the National Institute of Standards and Technology (NIST) may help find it.

Physics / Optics & Photonics

created Mar 07, 2012 | popularity not rated yet | comments 0

Experts: Linking farmers to markets critical for Africa's rural development

As a food crisis unfolds in West Africa's Sahel region, some of the world's leading experts in agriculture markets say the time is ripe to confront the "substantial inefficiencies" in trade policy, transportation, information ...

Space & Earth / Environment

created Feb 29, 2012 | popularity 5 / 5 (1) | comments 0

Students discover millisecond pulsar, help in the search for gravitational waves

A special project to search for pulsars has bagged the first student discovery of a millisecond pulsar – a super-fast spinning star, and this one rotates about 324 times per second. The Pulsar Search ...

Space & Earth / Space Exploration

created Jan 31, 2012 | popularity 5 / 5 (3) | comments 0

Listening to the stars

It is almost night on the island of Puerto Rico. Astronomer Joanna Rankin raises her head toward the sky. A few of the brightest stars shine through blue cracks in a ragged dome of gray clouds. To her back, ...

Space & Earth / Astronomy

created Dec 01, 2011 | popularity 5 / 5 (4) | comments 3 | with audio podcast

Life on alien planets may not require a large moon after all

Ever since a study conducted back in 1993, it has been proposed that in order for a planet to support more complex life, it would be most advantageous for that planet to have a large moon orbiting it, much ...

Space & Earth / Astronomy

created Nov 29, 2011 | popularity 4.8 / 5 (20) | comments 0

Scientists solve mystery of the eye

(PhysOrg.com) -- Scientists have a good overall understanding of human vision: when light enters our eyes, it is focused by the lens and strikes the retina in the back of the eye. The light causes some of ...

Chemistry / Biochemistry

created Nov 17, 2011 | popularity 4.3 / 5 (64) | comments 14 | with audio podcast feature

Biography of a star

Nuclear fusion is a virtually inexhaustible source of energy, and for decades now scientists have been working on exploiting it. A process that continues to present difficulties in laboratories on Earth has ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 5 / 5 (4) | comments 4

Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...

Space & Earth / Astronomy

created Nov 03, 2011 | popularity 4.6 / 5 (5) | comments 8 | with audio podcast

Crash-safe battery protection for electric cars

Everyone is talking about electric drives, and the scientists from Fraunhofer are also working on them. Engineers have replaced a battery box for lithium-ion batteries with a lightweight component. Not only ...

Technology / Engineering

created Sep 01, 2011 | popularity not rated yet | comments 1


List of search results for gravitational stability