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  • Released Tuesday, October 22, 2013
  • Updated Thursday, December 3, 2015 at 12:35PM
  • ID: 11365
In the search for Earth-like planets, astronomers uncover a strange blue world.

In the search for Earth-like planets, astronomers uncover a strange blue world.

Why is HD 189733b blue? Watch this video to find out.

HD 189733b is located 63 light-years from Earth. This illustration shows how the planet would appear up close.

HD 189733b is located 63 light-years from Earth. This illustration shows how the planet would appear up close.

To date, more than 60 exoplanets (black circles) have been observed transiting their host star.

To date, more than 60 exoplanets (black circles) have been observed transiting their host star.

The Hubble Space Telescope (above) launched into space in 1990.

The Hubble Space Telescope (above) launched into space in 1990.

For More Information

See Science@NASA

Credits

Please give credit for this item to:
Science@NASA and NASA's Goddard Space Flight Center
Cover image courtesy of NASA/CXC/M. Weiss
Video courtesy of Science@NASA
HD 189733b illustration courtesy of NASA/ESA/M. Kornmesser
Exoplanets image courtesy of Fermilab Center for Particle Astrophysics/J. Steffen

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