For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star. The stricken world appears destined to spiral closer and closer to its maturing star until collision ...
Astronomy
Dec 19, 2022
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870
Star clusters tend to host more hot Jupiters than average, but why? A team of astronomers have proposed a new solution, and it involves a lot of swapping of stellar neighbors.
Astronomy
Dec 9, 2022
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62
The study of extrasolar planets has led to some astounding discoveries, many of which have defied the expectations of astronomers and challenged our notions about the forms planetary systems can take. For example, the discovery ...
Astronomy
Nov 7, 2022
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95
Planets can force their host stars to act younger than their age, according to a new study of multiple systems using NASA's Chandra X-ray Observatory. This may be the best evidence to date that some planets apparently slow ...
Astronomy
Nov 2, 2022
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569
If you close your eyes and imagine a system of planets orbiting a distant star, what do you see?
Astronomy
Jul 22, 2022
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4
Since the first hot Jupiter was discovered in 1995, astronomers have been trying to figure out how the searing-hot exoplanets formed and arrived in their extreme orbits. Johns Hopkins University astronomers have found a way ...
Astronomy
Jun 9, 2022
0
134
Archival observations of 25 hot Jupiters by the NASA/ESA Hubble Space Telescope have been analyzed by an international team of astronomers, enabling them to answer five open questions important to our understanding of exoplanet ...
Astronomy
Apr 25, 2022
0
385
Astronomers report the discovery of another exoplanet around a nearby star known as HD 83443. The newfound extrasolar world is a Jupiter-mass planet orbiting its host on a highly eccentric 22-year orbit. The finding was detailed ...
In studying a unique class of ultra-hot exoplanets, NASA Hubble Space Telescope astronomers may be in the mood for dancing to the Calypso party song "Hot, Hot, Hot." That's because these bloated Jupiter-sized worlds are so ...
Astronomy
Apr 6, 2022
0
232
The count of confirmed exoplanets has just ticked past the 5,000 mark, representing a 30-year journey of discovery led by NASA space telescopes.
Space Exploration
Mar 21, 2022
1
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