Using HARPS and HARPS-N spectrographs, astronomers have observed a nearby K-type star designated HD 176986, known to host two ...
With this new survey, astronomers have gained a peek inside a stage of exoplanet system formation they have yet to fully ...
A distant star system with four super-sized gas giants has revealed a surprise. Thanks to JWST’s powerful vision, astronomers detected sulfur in their atmospheres — a chemical clue that they formed ...
Gas giants are enormous planets made primarily of hydrogen and helium. They may contain dense central cores, but unlike Earth, they do not have solid ...
The Hubble Space Telescope has been used to study 25 hot Jupiters. It has helped to answer "questions important to our understanding of exoplanet atmospheres," according to the Hubble team. Credit: ...
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What makes an exoplanet worth naming
Only a small number of exoplanets are chosen to receive proper names. These worlds were selected because they will be closely studied by the James Webb Space Telescope. Their sizes, orbits, and ...
Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...
Key takeawaysIf a gas giant planet is big enough to ignite deuterium fusion, it becomes a brown dwarf instead of a planet.
The similarities are astonishing. And yet... The post NASA Telescope Discovers Nearby Planet With Deep Similarities to Earth ...
New observations from NASA's James Webb Space Telescope (JWST) suggest that even extremely massive gas giants — once thought ...
Well, at least that means no alien invasions anytime soon.
NASA's James Webb Space Telescope (JWST) provides new insights into the formation of massive gas giant exoplanets, challenging previous size limits.
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