Science Fair Project Encyclopedia
Leo I Dwarf Galaxy
The Leo I Dwarf Galaxy (or simply Leo I) is a dwarf spheroidal galaxy in the Local Group. At 250 kiloparsecs distant, it is thought to be the furthest of the Milky Way's satellite galaxies. It was discovered in 1950 by Harrington and Wilson on photographic plates of the National Geographic Society - Palomar Observatory Sky Survey, which were taken with the 48-inch Schmidt Camera at Palomar Observatory.
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