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Mass Loss Leaves Close-In Exoplanets Exposed to the Core

Mass Loss Leaves Close-In Exoplanets Exposed to the Core

Space & Earth / Astronomy

created Apr 21, 2009 | popularity 3.7 / 5 (6) | comments 1

(PhysOrg.com) -- An international team of scientists has found that giant exoplanets orbiting very close to their stars could lose a quarter of their mass during their lifetime. The team found that planets ...


3 Questions: Sara Seager on searching for Earth-like planets

3 Questions: Sara Seager on searching for Earth-like planets

Space & Earth / Astronomy

created Nov 23, 2009 | popularity 3.3 / 5 (3) | comments 0

(PhysOrg.com) -- MIT planetary scientist Sara Seager has been studying exoplanets — planets circling stars other than the sun — for many years.


The system Gliese 667 (Artist’s impression)

32 New Exoplanets Found (w/ Video)

Space & Earth / Astronomy

created Oct 19, 2009 | popularity 4.9 / 5 (27) | comments 6

(PhysOrg.com) -- Today, at an international ESO/CAUP exoplanet conference in Porto, the team who built the High Accuracy Radial Velocity Planet Searcher, better known as HARPS, the spectrograph for ESO's 3.6-metre ...


Artist's Impression of the Star OGLE-TR-56 and its Planet

Exoplanet atmospheres detected from Earth for the first time

Space & Earth / Astronomy

created Jan 14, 2009 | popularity 4.5 / 5 (12) | comments 4

(PhysOrg.com) -- Transiting exoplanets are routinely detected when they pass in front of their parent star as viewed from the Earth, which only happens by chance. The transit event causes a small drop in the ...


COROT's exoplanet hunt update

COROT's exoplanet hunt update

Space & Earth / Astronomy

created May 22, 2008 | popularity 4.5 / 5 (14) | comments 0

Two new exoplanets and an unknown celestial object are the latest findings of the COROT mission. These discoveries mean that the mission has now found a total of four new exoplanets.


Jamie Lloyd on the lookout for exoplanets

Researcher hunts for new planets, seeking clues on solar system's origin

Space & Earth / Astronomy

created Oct 13, 2009 | popularity 3 / 5 (2) | comments 1

(PhysOrg.com) -- The Cornell assistant professor of astronomy works on instrumentation that searches the night skies for planets outside our solar system, called extrasolar planets.


Exotic life beyond Earth? Looking for life as we don't know it

Exotic life beyond Earth? Looking for life as we don't know it

Space & Earth / Space Exploration

created Sep 18, 2009 | popularity 4.8 / 5 (24) | comments 8

Scientists at a new interdisciplinary research institute in Austria are working to uncover how life might evolve with "exotic" biochemistry and solvents, such as sulphuric acid instead of water. Their research ...


Junk Yard Dog

Universally speaking, Earthlings share a nice neighborhood

Space & Earth / Astronomy

created Aug 08, 2008 | popularity 3.9 / 5 (22) | comments 4

We don't have spacecraft to take us outside our solar system--not yet, at least. Still, astronomers thought they had a pretty good understanding of how our solar system formed and in turn, how others formed. ...


COROT

The CoRoT space mission: Early results

Space & Earth / Astronomy

created Oct 22, 2009 | popularity 4.8 / 5 (8) | comments 0

Astronomy & Astrophysics is publishing a special issue this week dedicated to the early results of the CoRoT space mission. The CoRoT (Convection, Rotation & planetary Transits) satellite is a 30 centimeter space ...


Odd discovery may help refine theories about how planets form

Space & Earth / Astronomy

created Jun 17, 2009 | popularity 4.4 / 5 (7) | comments 9

An international team of researchers has found a planet around another star whose orbit is steeply tilted from the plane of the star's equator, a finding that contradicts some theories about how solar systems form.


A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

Space & Earth / Astronomy

created Nov 12, 2009 | popularity 4.5 / 5 (12) | comments 6

(PhysOrg.com) -- Two teams of astronomers have found a planet outside the solar system that might be orbiting backwards compared to its star's rotation, a discovery that could shed light on how unique the ...


Preparing for PRIMA First Light

Future looks bright for interferometry

Space & Earth / Astronomy

created Sep 19, 2008 | popularity 4.6 / 5 (5) | comments 0

The PRIMA instrument of the ESO Very Large Telescope Interferometer (VLTI) recently saw "first light" at its new home atop Cerro Paranal in Chile. When fully operational, PRIMA will boost the capabilities ...


The Hot Saturn Exoplanet

The Hot Saturn Exoplanet

Space & Earth / Astronomy

created Oct 02, 2009 | popularity 4.4 / 5 (11) | comments 3

(PhysOrg.com) -- Of the roughly 350 known exoplanets (i.e., extrasolar planets), the one orbiting the star HD149026 is unique.


The search for ET just got easier

Space & Earth / Astronomy

created Jun 10, 2009 | popularity 4.6 / 5 (13) | comments 2

Astronomers using the Science and Technology Facilities Council's (STFC) William Herschel Telescope (WHT) on La Palma have confirmed an effective way to search the atmospheres of planets for signs of life, vastly improving ...


COROT's new find orbits Sun-like star

COROT's new find orbits Sun-like star

Space & Earth / Astronomy

created Jul 24, 2008 | popularity 4.2 / 5 (9) | comments 2

A team of European scientists working with COROT have discovered an exoplanet orbiting a star slightly more massive than the Sun. After just 555 days in orbit, the mission has now observed more than 50 000 ...