A planet found in 2009 known as HAT-P-11b proven to host water recently. Found by Jonathan Fraine and his colleagues, its diameter is barely larger than 4 times the Earth's. Until recently, Neptune had been the only exoplanet to contain water. The temperature of the planet is roughly from 828° Kelvin to 928° Kelvin (1031° Fahrenheit to 1211° Fahrenheit). Its atmosphere's composition is primary hydrogen, hypothesized to have been drawn from nearby infant stars. Made primary of hydrogen the planet is found to have trace amounts of unidentified heavier elements. The atmosphere absorbs certain colors of light and filtering star light.
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