'Tau Bootis b' was one of the
first exoplanets discovered in the 90's. Fifteen years later, remains one of
the closest known and given that it already has confirmed the existence of 750
planets outside our solar system, which number about 2,000 applicants to join
the list.
'Tau Bootis b' is a big 'hot
Jupiter' orbiting close to its host star. Although its host star is easily
visible, so far this planet could only be detected by its gravitational effects
on the star.