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Обнаружена редчайшая гигантская планета
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Zuckerwatte -Planet verblüfft Astronomen
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Zuckerwatte -Planet verblüfft Astronomen - Gasplanet mit geringer Dichte und zu kleinem Kern widerspricht gängigen Modellen
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A gigantic gas exoplanet has an unusually long orbit. Scientists have been studying the gas giant called GOT ‘EM-1b (which stands for Giant Outer Transiting Exoplanet Mass) that is approximately five times the mass of our own Solar System’s gas giant Jupiter.
GOT ‘EM-1b is located almost 1,300 light-years away from us and it was first witnessed back in 2010 by NASA’s Kepler space telescope when the exoplanet appeared in our “solar neighborhood”. Scientists were then able to determine its size as well as its orbit by using the W.M. Keck Observatory in Hawaii.
Astronomers also saw that a nearby star called Kepler-1514 had decreases in its brightness on occasion which suggested that there were possible planets orbiting it. After researchers from the University of California, Riverside confirmed the planet, they officially named it Kepler-1514b (instead of the original name of GOT ‘EM-1b).
As Large as Jupiter But Not As Massive
WASP-107b was first found in 2017, orbiting its host star WASP-107 - a star about 212 light-years away from Earth, at the Virgo constellation. The distance between 107b and its star is more than 16 times closer than the distance between Earth and the Sun. Almost as big as Jupiter but about ten times lighter, WASP-107b is among the least dense exoplanets ever discovered so far - being called super-puff or cotton-candy planets by astrophysicists.
Piaulet and her collaborated first used the cotton-candy planet s observations obtained at the Keck Observatory in Hawai i, examining its mass more accurately. Researchers then used a technique called the radial velocity method, allowing scientists to determining the mass of a planet by observing the wobbling motion of its host star - an indication of the planet s mass interacting with the host star. From this method, they found out that WASP-107b has a mass only one-tenth of Jupiter, yet still 30