Since astronomers first measured the size of an extrasolar planet seventeen years ago, they have struggled to answer the question: how did the largest planets get to be so large? Thanks to the recent discovery of twin planets ...
Astronomy
Nov 27, 2017
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Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface. The planet is so close to its star, the same side of the planet always faces the star, such that the planet has permanent day ...
Astronomy
Nov 16, 2017
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226
Yale researchers have identified 60 potential new "hot Jupiters"—highly irradiated worlds that glow like coals on a barbecue grill and are found orbiting only 1% of Sun-like stars.
Astronomy
Jul 6, 2017
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Since the mid-1990s, when the first planet around another sun-like star was discovered, astronomers have been amassing what is now a large collection of exoplanets—nearly 3,500 have been confirmed so far. In a new Caltech-led ...
Astronomy
Jun 19, 2017
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Astronomers using NASA's Kepler space telescope have found a planet 219 light-years away that seems to be a close relative to Venus. This newly discovered world is only slightly larger than Earth, and orbits a low-temperature ...
Astronomy
Apr 7, 2017
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(Phys.org)—A large international team of researchers has found that a hot Jupiter called KELT-16b is likely to offer a unique opportunity for research for many years to come. In their paper published in The Astronomical ...
An international team of astronomers released the largest-ever compilation of exoplanet-detecting observations made using a technique called the radial velocity method. They demonstrated how these observations can be used ...
Astronomy
Feb 13, 2017
0
437
(Phys.org)—Using the Hubble Space Telescope (HST), astronomers have spotted an atomic hydrogen corona around Jupiter's icy moon Europa. The discovery which could improve our understanding of Europa's tenuous atmosphere ...
Two's company, but three might not always be a crowd — at least in space.
Astronomy
Sep 22, 2016
0
596
A team of researchers working at the Harvard-Smithsonian Center for Astrophysics has announced the finding of a triple-star system—one that also as has a stable orbit planet in it. In their paper published in The Astronomical ...
