The SETI Institute and U.C. Berkely are currently working on a building a 1-hectare telescope; Discover Magazine, Apr. 1999. ( 1 are = 100 m, obviously.)
Hec"tare` (?), n. [F., fr. Gr. hundred + F. are an are.]
A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.
© Webster 1913.
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