HD 209458 b - Alchetron, The Free Social Encyclopedia
HD 209458 b - Alchetron, The Free Social Encyclopedia
Aug 18, 2017
alchetron.com
Parent Star HD 209458 - NASA Science
Parent Star HD 209458 - NASA Science
Mar 12, 2003
nasa.gov
The star HD 209458, located 159 light-years away in the constellation Pegasus, is a Sun-like G0V star, slightly larger and hotter than our Sun. With a mass about 1.1 times solar and a radius 1.2 times larger, it shines with a luminosity 1.6 times that of the Sun. It’s best known for hosting the exoplanet HD 209458 b, nicknamed “Osiris,” a hot Jupiter with a scorching 1,000°C surface and an evaporating atmosphere trailing like a comet. This star’s brightness and proximity make it a key target for
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The star HD 209458, located 159 light-years away in the constellation Pegasus, is a Sun-like G0V star, slightly larger and hotter than our Sun. With a mass about 1.1 times solar and a radius 1.2 times larger, it shines with a luminosity 1.6 times that of the Sun. It’s best known for hosting the exoplanet HD 209458 b, nicknamed “Osiris,” a hot Jupiter with a scorching 1,000°C surface and an evaporating atmosphere trailing like a comet. This star’s brightness and proximity make it a key target for
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QuantumVista on Instagram: "The Planet (HD 209458 b) That Is Slowly Evaporating This planet is dying… and we can watch it happen. HD 209458 b — also called Osiris — orbits so close to its star that space itself is ripping it apart. The planet’s atmosphere is superheated by intense stellar radiation. Hydrogen gas expands, escapes gravity, and streams into space — forming a comet-like tail thousands of kilometers long. Every second, the planet loses millions of tons of atmosphere. Astronomers didn
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