XO-1b
extrasolar planet in the constellation Corona Borealis / From Wikipedia, the free encyclopedia
XO-1b is an extrasolar planet. It is approximately 536 light years away. It was discovered in 2006 by the XO Project which is an international team of professional and amateur astronomers.[1] They used the transit method to find XO-1b. It a little bit larger than Jupiter. It is a hot Jupiter. The Hubble Space Telescope found water in the atmosphere of the XO-1b.[2][3]