Exoplanets can orbit close to their host star. When the host star is much hotter than our sun, then the exoplanet becomes as hot as a star. The hottest ‘ultra-hot’ …read more Source:: Science
Tag: the atmosphere
There and back again: Mantle xenon has a story to tell
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•Volatiles — such as water, carbon dioxide and the noble gases — come out of the earth’s interior through volcanism and may be injected into the mantle from the atmosphere, …read more Source:: Science
Hubble observes exoplanet atmosphere in more detail than ever before
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•An international team of scientists has used the NASA/ESA Hubble Space Telescope to study the atmosphere of the hot exoplanet WASP-39b. By combining this new data with older data they …read more Source:: Science
NASA solves how a Jupiter jet stream shifts into reverse
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•Speeding through the atmosphere high above Jupiter’s equator is an east-west jet stream that reverses course on a schedule almost as predictable as a Tokyo train’s. Now, a research team …read more Source:: Science
Electrical and chemical coupling between Saturn and its rings
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•A Langmuir probe, flown to Saturn on the Cassini spacecraft, has made exciting discoveries in the atmosphere of the planet. They discovered that there is a strong coupling, both chemically …read more Source:: Science
Blowing in the stellar wind: Scientists reduce the chances of life on exoplanets in so-called habitable zones
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•A new article describes the detrimental impact of stellar wind on the atmosphere of exoplanets. …read more Source:: Science
Lightning, with a chance of antimatter
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•Researchers find that lightning strikes causes photonuclear reactions in the atmosphere, creating antimatter. …read more Source:: Science
Pluto’s hydrocarbon haze keeps dwarf planet colder than expected
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•The gas composition of a planet’s atmosphere generally determines how much heat gets trapped in the atmosphere. For the dwarf planet Pluto, however, the predicted temperature based on the composition …read more Source:: Science