A movable flat mirror that reflects light from a celestial object to a given location.
Found on
http://planetfacts.org/space-terms/
• (n.) An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term for heliostat.
Found on
http://thinkexist.com/dictionary/meaning/siderostat/
any of a class of astronomical instruments consisting of a flat mirror that is turned slowly by a motor to reflect a given region of the sky ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/s/91
Sid'er·o·stat noun [ Latin
sidus ,
sideris , a star + Greek ......... standing, fixed, from ............ to place.]
(Astron.) An apparatus consisting essentially of a mirror moved by clockwork so as to throw the rays of the sun or a star in a fixed direction; -- a more general term...
Found on
http://www.encyclo.co.uk/webster/S/99
No exact match found.
