News tagged with exoplanets

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Half of all exoplanet host stars are binaries

(Phys.org) —Imagine living on an exoplanet with two suns. One, you orbit and the other is a very bright, nearby neighbor looming large in your sky. With this "second sun" in the sky, nightfall might be ...

Sep 04, 2014
4.5 / 5 (12) 1

Length of exoplanet day measured for first time

Observations from ESO's Very Large Telescope have, for the first time, determined the rotation rate of an exoplanet. Beta Pictoris b has been found to have a day that lasts eight hours. This is quicker than ...

Apr 30, 2014
5 / 5 (8) 1

Kepler 78b exoplanet is Earth-like in mass and size

In August, MIT researchers identified an exoplanet with an extremely brief orbital period: The team found that Kepler 78b, a small, intensely hot planet 700 light-years from Earth, circles its star in just ...

Oct 30, 2013
4.9 / 5 (16) 4 | with audio podcast

SLAC scientists create twisted light

(Phys.org) —Scientists at SLAC have found a new method to create coherent beams of twisted light – light that spirals around a central axis as it travels. It has the potential to generate twisted light ...

Sep 19, 2013
4.9 / 5 (21) 3 | with audio podcast

True colour of exoplanet measured for the first time

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have, for the first time, determined the true colour of a planet orbiting another star. If seen up close this planet, known as HD 189733b, ...

Jul 11, 2013
4.8 / 5 (22) 9 | with audio podcast

Lightest exoplanet imaged so far?

(Phys.org) —A team of astronomers using ESO's Very Large Telescope has imaged a faint object moving near a bright star. With an estimated mass of four to five times that of Jupiter, it would be the least ...

Jun 03, 2013
4.8 / 5 (5) 0 | with audio podcast

The closest star system found in a century

(Phys.org) —A pair of newly discovered stars is the third-closest star system to the Sun, according to a paper that will be published in Astrophysical Journal Letters. The duo is the closest star system ...

Mar 11, 2013
4.7 / 5 (26) 16 | with audio podcast