Zooming in on the Star Tau Boötis | ESO

Zooming in on the Star Tau Boötis | ESO

This zoom sequence starts with a wide view of the constellation of Bootes (The Herdsman) and the closes in on the star Tau Bootis, which is visible to the unaided eye as an unremarkable point of light in the southern part of the constellation. This star harbors one of the closest exoplanets, and one of the first to be found, in 1996. Astronomers using the European Southern Observatory's Very Large Telescope have caught and studied the faint light from the planet Tau Boötis b for the first time. By employing a clever observational trick the team find that the planet's atmosphere seems to be cooler higher up, the opposite of what was expected.

Distance: about 51 light-years away

Credit: European Southern Observatory (ESO)/A. Fujii/Digitized Sky Survey 2

Duration: 1 minute

Release Date: June 27, 2012

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