Light from the planet HD 189733b was captured by the Hubble Space Telescope and analyzed. Astronomers say that the giant planet has a deep-blue atmosphere, but conditions are in no way Earth-like.
Facts About Planet HD 189733b:
Type: "hot Jupiter" gas giant
Distance from Earth: 63 light-years, in the constellation Vulpecula ("The Fox")
Day/Year: 2.2 Earth days (planet is tidally locked and one side always faces the parent star)
Temperature range: 1,800 degrees Fahrenheit (1,000 degrees Celsius) on the day side, 1,200 degrees F (650 degrees C) on the night side
Wind speed: 4,350 mph (7,000 km/hr)
Conditions: glass particles in atmosphere create blue color.
In 2007, astronomers created a heat map of the surface of HD 189733b showing the hot spot on the side permanently facing the star. This was the first surface map made of a planet orbiting another star.
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