photoheliograph

 [foh-tuh-hee-lee-uh-graf, -grahf]  

pho·to·he·li·o·graph

   [foh-tuh-hee-lee-uh-graf, -grahf]
noun Astronomy.
an instrument for photographing the sun, consisting of a camera and a specially adapted telescope.
Also called heliograph.

Origin:
1860–65; photo- + heliograph

Related forms
pho·to·he·li·o·graph·ic  [foh-tuh-hee-lee-uh-graf-ik] , adjective
pho·to·he·li·og·ra·phy  [foh-tuh-hee-lee-og-ruh-fee] , noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Photoheliograph is always a great word to know.
So is red giant. Does it mean:
a star in an intermediate stage of evolution, characterized by a large volume, low surface temperature, and reddish hue
the Dog Star, the brightest-appearing star in the heavens, located in the constellation Canis Major
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