Contact: Cheryl Gundy
NASA/Goddard Space Flight Center
Caption: This artist's concept shows exoplanet HD 189733b orbiting its yellow-orange star, HD 189733. NASA's Hubble Space Telescope measured the actual visible-light color of the planet, which is deep blue.
Credit: NASA, ESA, and G. Bacon (STScI)
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Related news release: NASA Hubble finds a true blue planet