Alien Planet True Blue Color Revealed By Hubble

Image: This illustration shows HD 189733b, a huge gas giant that orbits very close to its host star HD 189733. The planet’s atmosphere is scorching with a temperature of over 1000 degrees Celsius, and it rains glass, sideways, in howling 7000 kilometer-per-hour winds.

The alien planet’s blue color was pinned down using observations from the Hubble Space Telescope. Although the planet might be the same color as Earth from space, scientists think that HD 189733b is a “hot Jupiter” — a gas giant planet that orbits very close to its star. It takes 2.2 Earth days for the planet to travel fully around its sun.

"This planet has been studied well in the past, both by ourselves and other teams," said Frédéric Pont of the University of Exeter, U.K., leader of the Hubble observing program in a statement. "But measuring its color is a real first — we can actually imagine what this planet would look like if we were able to look at it directly."[See More Images of the Blue Alien Planet HD 189733b]

The exoplanet’s weather is less than ideal. Its atmosphere is more than 1,832 degrees Fahrenheit (1,000 degrees Celsius) and the planet rains glass sideways in 4,350 mile per hour (7,000 km/h) winds, according to Hubble officials.

In 2007, NASA’s Spitzer Space Telescope helped scientists map the weather conditions of the strange alien planet when the spacecraft produced one of the first temperature maps of an exoplanet. The data revealed that temperatures on the day and night sides of the world differ by about 500 degrees Fahrenheit (260 degrees Celsius), causing the strong winds to blow.

  1. anarmyofoneman reblogged this from electricspacekoolaid
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  5. spaceygrey reblogged this from electricspacekoolaid and added:
    Oh sorry, I was getting a bit carried away with the Sky Blueinator tool.
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    The planet: is blue, the first time they have confirmed the color of an exoplanet RAINS. LIQUID. GLASS.
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