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Home > Hobby-Eberly Telescope

The main task of the Hobby-Eberly Telescope is finding extra-solar planets by looking at the radial-velocity variations of stars.

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HobbyThis article is about pastimes. For the bird species, see hobby (bird). For the horse species, see hobby (horse). For the airport, see Hobby Airport. A hobby is a spare-time recreational pursuit. In the Middle Ages, falconry was a very popular pastime (wh Hobby (bird)A hobby is a fairly small, very swift falcon with long, narrow wings. There are four birds called hobby and three others which, although termed falcon are very similar. All specialise in catching prey on the wing. The Eurasian Hobby Falco subbuteo , also Hobby storeA hobby store is a place dedicated to the selling of things that people usually employ for their personal satisfaction. Hobby stores are particularly popular with men and children, less so with women, although many hobby stores today cater to women's inte Hobby-horseToys Festivals A hobby-horse is child's toy horse popular during the days before cars. Just as children today will imitate the grown-ups driving cars so, in former times, the children played at riding up and down on a wooden hobby-horse. A larger hobby-ho Hobby horseA hobby horse (or hobbyhorse can be several things: A toy horse, consisting of a horse's head, usually wooden, attached to a stick. This is often used by children to simulate riding a horse, see Hobby-horse. A toy horse suspended by springs from a frame A Hobby-Eberly TelescopeThe Hobby-Eberly Telescope at the McDonald Observatory is primarily used for spectography. Its mirror consists of 91 hexagonal elements for a total area of 11m x 10m. When combined with the fibre optic coupled high resolution spectrograph, it can measure