HD 209458 b is an exoplanet, specifically a hot Jupiter, that orbits the solar analog HD 209458 in the constellation Pegasus, some 157 light-years from the Solar System. It is sometimes informally cal
An artistic illustration of HD 209458 b by NASA, ESA, and G. Bacon (STScI)
Artist impression of HD 209458 b
Comparison of "hot Jupiter" exoplanets (artist concept). From top left to lower right: WASP-12b, WASP-6b, WASP-31b, WASP-39b, HD 189733b, HAT-P-12b, WASP-17b, WASP-19b, HAT-P-1b and HD 209458b.
HD 189733 b is an exoplanet in the constellation of Vulpecula approximately 64.5 light-years away from the Solar System. Astronomers in France discovered the planet orbiting the star HD 189733 on Octo
HD 209458 b
…2007, NASA and Nature released news that HD 209458 b was one of the first two extrasolar planets to have their spectra observed, the other one being HD 189733 b. This was long seen as the first mechanism by which extrasolar but non-sentient life forms could be searched for, by way of influence on a planet's…
The infrared spectrum of HD 189733 b
An artist's conception of HD 189733 b following the 2013 confirmation of the planet's blue color by the Hubble Space Telescope. The appearance of HD 189733 b beyond the blue color is unknown.
An artist's impression of HD 189733 b showing rapid evaporation of the atmosphere