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Tau Boötis b facts for kids

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Artist’s impression of the exoplanet Tau Bootis b
Artist's impression of the exoplanet Tau Boötis b orbiting Tau Boötis

Tau Boötis b is an extrasolar planet. It is approximately 51 light years away. The temperature of Tau Boötis b is 1600 K.


It was discovered in 1996. It was one of the first extrasolar planets that was discovered. It was discovered orbiting the star Tau Boötis b by Paul Butler and his team. They used the radial velocity method to find the planet.

Orbit and mass

Tau Boötis b has a mass that is over four times the mass of Jupiter. One orbital revolution takes 3 days 7.5 hours.

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