News tagged with habitable planets

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Habitable zones

(PhysOrg.com) -- The "habitable zone" is the region around a star where a suitable planet could sustain the conditions necessary for life. Most astronomers take it to be the region where the balance between ...

Aug 22, 2011
4 / 5 (5) 20 | with audio podcast

Coming to a solar system near you… super-Earth!

It is our general understanding of solar system composition that planets fall into two categories: gas giants like Jupiter, Saturn, Neptune and Uranus… and rocky bodies that support some type of atmosphere ...

Aug 08, 2011
4.8 / 5 (16) 15 | with audio podcast

Sulfurous signs of life

Any sulfurous molecules that astronomers spot on alien worlds might be a way to reveal whether or not those distant planets host life, researchers suggest.

Jun 30, 2011
3.7 / 5 (9) 17 | with audio podcast

Hunting for transits of Super-Earth GJ 581e

(PhysOrg.com) -- An international team of astronomers has ruled out transits of a water-rich or hydrogen-helium atmosphere planet for Gliese 581e. The host star itself is relatively quiet which means good ...

Jun 02, 2011
4.9 / 5 (11) 2 | with audio podcast

Planet spotting

The Extrasolar Planets Encyclopedia counted 548 confirmed extrasolar planets at 6 May 2011, while the NASA Star and Exoplanet Database (updated weekly) was today reporting 535. These are confirmed findings ...

May 09, 2011
5 / 5 (4) 0

Habitable planets and white dwarfs

(PhysOrg.com) -- The search for habitable planets similar to Earth has routinely focused around active nuclear burning stars. However, in a recently published paper by Eric Agol from the University of Washington, ...

Mar 22, 2011 report
4.8 / 5 (24) 21 | with audio podcast

UCL space missions get the go-ahead

University College London space scientists are involved in two out of four missions that have been selected by the European Space Agency to compete for a launch opportunity at the start of the 2020s.

Mar 03, 2011
3.7 / 5 (3) 1