This illustration shows a "hot Jupiter" planet known as HD 189733b orbiting its star, HD 189733. The NASA/ESA Hubble Space Telescope measured the actual visible light color of the planet, which is ... more
This illustration shows a "hot Jupiter" planet known as HD 189733b orbiting its star, HD 189733. The NASA/ESA Hubble Space Telescope measured the actual visible light color of the planet, which is deep blue. Image released July 11, 2013. less
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SPACE.com | Photo By NASA, ESA, and G. Bacon (AURA/STScI)
Thu, Jul 11, 2013 9:20 AM EDT