A 19th century refractor telescope at the Brazil National Observatory in Rio de Janeiro.

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Size: 4115px × 4829px
Photo credit: © BABAK TAFRESHI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: astronomical, astronomy, celestron, de, equipment, instrument, janeiro, refractor, rio, science, scientific, stargazing, telescope