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Extrasolar Planets News
February 20, 2017

Latest Headlines
updated 9:41pm EST

More Extrasolar Planets News
February 20, 2017

Dec. 15, 2016 — Scientists have made the rare discovery of a planetary system with a host star similar to Earth's sun. Especially intriguing is the star's unusual composition, which indicates it ingested ... read more

Dec. 12, 2016 — Signs of powerful changing winds have been detected on a planet 16 times larger than Earth, over 1,000 light years away -- the first time ever that weather systems have been found on a gas giant ... read more

Dec. 12, 2016 — New ALMA observations contain compelling evidence that two newborn planets, each about the size of Saturn, are in orbit around a young star known as HD 163296. These planets, which are not yet fully ... read more

Dec. 8, 2016 — What will happen to Earth when, in a few billion years' time, the sun is a hundred times bigger than it is today? Using the most powerful radio telescope in the world, an international team of ... read more

Nov. 28, 2016 — Scientists have observed the transit of a potentially Earth-like extrasolar planet known as K2-3d. A transit is a phenomenon in which a planet passes in front of its parent star, blocking a small ... read more

Scientists Discover a Nearby 'Super-Earth'

Nov. 16, 2016 — Researchers have discovered a "super-Earth" type planet, GJ 536 b, whose mass is around 5.4 Earth masses, in orbit around a nearby very bright star. The exoplanet is not within the ... read more

Nov. 9, 2016 — Three teams of astronomers have made use of SPHERE, an advanced exoplanet-hunting instrument on the Very Large Telescope at ESO's Paranal Observatory, in order to shed light on the enigmatic ... read more

Oct. 31, 2016 — A team of researchers has presented a new model for the origin of Saturn's rings based on results of computer simulations. The results of the simulations are also applicable to rings of other ... read more

Oct. 24, 2016 — Computer simulations by astrophysicists of the formation of planets orbiting in the habitable zone of low mass stars such as Proxima Centauri show that these planets are most likely to be roughly the ... read more

Oct. 21, 2016 — A group of citizen scientists and professional astronomers joined forces to discover an unusual hunting ground for exoplanets. They found a star surrounded by the oldest known circumstellar disk -- a ... read more

Oct. 19, 2016 — As the search for a hypothetical, unseen planet far, far beyond Neptune's orbit continues, new research provides additional support for the possible existence of such a world and narrows the ... read more

Oct. 19, 2016 — Planet Nine the undiscovered planet at the edge of the solar system appears to be responsible for the unusual tilt of the Sun, according to a new ... read more

First Pluto, Now This: Discovery of First Binary-Binary Calls Solar System Formation Into Question

Oct. 19, 2016 — Everything we know about the formation of solar systems might be wrong, says two astronomers. They've discovered the first "binary--binary" -- two massive companions around one star in ... read more

Oct. 14, 2016 — A number of extrasolar planets have been found in the past two decades and now researchers agree that planets can have a wide variety of characteristics. However, it is still unclear how this ... read more

Oct. 12, 2016 — Planets that revolve around two suns may surprisingly survive the violent late stages of the stars' lives, according to new research. The finding is surprising because planets orbiting close to ... read more

Oct. 11, 2016 — A star with a ring of planets orbiting around it -- that is the picture we know from our own solar system and from many of the thousands of exoplanets observed in recent years. But now researchers ... read more

Researchers Discover Effect of Rare Solar Wind on Earth's Radiation Belts

Oct. 6, 2016 — Unique measurements of the Van Allen radiation belts, which circle the Earth, have been captured during an extremely rare solar wind event. The findings, which have never been reported before, may be ... read more

Oct. 5, 2016 — The dusty disk surrounding the star TW Hydrae exhibits circular features that may signal the formation of protoplanets. An astrophysicist argues, however, that the innermost actually points to the ... read more

Sep. 29, 2016 — Astronomers have found distinct spiral arms in the disk of gas and dust surrounding the young star Elias 2-27. While similar features have been observed on the surfaces of such disks before, this is ... read more

Sep. 26, 2016 — When a star is young, it is often still surrounded by a primordial rotating disk of gas and dust, from which planets can form. Astronomers like to find such disks because they might be able to catch ... read more

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