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victorx | 17:43 Sun 03rd Dec 2006 | Science
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what is the name of the device for showing the movement of stars and planets on a curved ceiling
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Avatar Image LazyGun
Probably a planetarium, or perhaps an orrery?
18:07 Sun 03rd Dec 2006
Avatar Image sddsddean
Planetarium. This is an orrery.
http://www.arm.ac.uk/orrery/mdpopescu_armobs_o rrery.jpg
18:53 Sun 03rd Dec 2006
Avatar Image mibn2cweus
. . . and this is a planetarium projector
08:15 Wed 06th Dec 2006

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