News tagged with exoplanets

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Water-Ice Super-Earths

A "super-Earth" is a planet around another star (an "exoplanet") whose mass is less than about ten times that of the Earth. Of the 480 or so extrasolar planets now known, most have masses larger than the mass ...

Aug 27, 2010
4.7 / 5 (17) 0 | with audio podcast

Explained: the Doppler effect (w/ Video)

Many students learn about the Doppler effect in physics class, typically as part of a discussion of why the pitch of a siren is higher as an ambulance approaches and then lower as the ambulance passes by. ...

Aug 03, 2010
3.4 / 5 (24) 21 | with audio podcast

Plentiful and Potential Planets

Two planet-hunting telescopes - CoRoT and Kepler - are keeping astronomers hard at work cataloging far-distant planets that orbit other stars in our galaxy. The search for distant planets is essential for ...

Jun 23, 2010
5 / 5 (6) 0

Six new planets discovered

(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...

Jun 14, 2010
4.8 / 5 (30) 3 | with audio podcast

Exoplanet caught on the move (w/ Video)

(PhysOrg.com) -- Only 12 million years old, or less than three-thousandths of the age of the Sun, Beta Pictoris is 75% more massive than our parent star. It is located about 60 light-years away towards the ...

Jun 10, 2010
4.9 / 5 (8) 2 | with audio podcast

New national telescope at La Silla

A new robotic telescope has had first light at ESO's La Silla Observatory, in Chile. TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescope) is devoted to the study of planetary systems through two ...

Jun 08, 2010
5 / 5 (7) 0

First temperate exoplanet sized up (w/ Video)

(PhysOrg.com) -- Combining observations from the CoRoT satellite and the ESO HARPS instrument, astronomers have discovered the first “normal” exoplanet that can be studied in great detail. Designated Corot-9b, ...

Mar 17, 2010
4.6 / 5 (24) 8 | with audio podcast

How to hunt for exoplanets

A new report launched by the Institute of Physics (IOP) Exoplanets - The search for planets beyond our solar system explains how new technological advances have seen the discovery of more than 400 exoplanets to date, a number ...

Mar 02, 2010
4.8 / 5 (6) 1