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<-   Comets   ->
figures/comete.jpg
Artistic view of a comet passing in front of its star.
Crédit : Paris Observatory / UFE

The comets, well known in the Solar System, exist around other stars. They have been detected in the disk surrounding the betaPictoris star.

A comet, passing in front of the disk of its star, would yield a decrease in the apparent brightness of the star if the observer is in a good position, like transits in the case of exoplanets.

Because of the small size of the comet and its large tail, the "transit" observed would be different.

.CoRoT should detect them.