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Closeup view on huge professional telescope in observatory indoors

Aerial shot of communications workers repairing telecommunications towers

Milky way above telescope dome

The Mauna Kea observatories at the top of Mauna Kea (13800 ft) in Big Island, Hawaii

observatory with milky way galaxy, long exposure photograph, with grain

A night sky full of stars and an observatory on Ishigaki island.

A view of the night sky in Los Angeles as seen from the observatory

Helioscope and telescope in observatory

Astronomical observatory under the stars

Palomar Observatory is an astronomical observatory located in San Diego County, California, United States

Astronomical observatory under star trails sky at night. High quality photo

The Mauna Kea observatories at the top of Mauna Kea (13800 ft) in Big Island, Hawaii

closeup view on oculars of large professional telescope located indoors

A huge white satellite antenna under clear sky

Open Telescope at Mauna-Kea observatory

Wclose-up of a wite satellite dish in a sunlight against the sky

Milky way above telescope dome

Frederick C. Gillett Gemini North telescope open for evening viewing just as stars begin to emerge in sky on the summit of Mauna Kea. Hawaii, USA.

Carnarvon Satellite dish with southern cellestial stars spinning around dish . Australia

Panoramic view of the Mauna Kea observatories at the top of Mauna Kea (13800 ft) at sunset. Big Island, Hawaii

Calar Alto astronomical telescope in Almería (Spain), there is a telecommunications tower, there are rocks and vegetation on the ground, the sky is clear

Day Telescope looking over Lake Garda in Italy

Starry night sky with star trails and an amateur astronomical telescope. Circular star trails around Polaris (North Star) above the trees

Roque de los Muchachos Observatory on La Palma, Canary Islands

Photo Picture of a Modern Scientific Astronomical Observatory Telescope

Tokyo tower with blue sky

Radio telescopes and the Milky Way at night

The Haleakala High Altitude Observatory (Science City) at the summit of the Haleakala Crater (10020 ft) in Maui, Hawaii.

Domes of small telescopes in an observatory in the background of the milky way

Close-up of public telescope against aerial view of Leipzig, Germany Leipzig

Free Images: "bestof:Cassegrain-Telescope.svg en Diagram of Cassegrain Telescope Own Griffenjbs 2009-03-08 Cassegrain Telescope svg Cassegrain telescopes"

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Sierra Nevada observatoire Pradollano 2.jpg

Sierra Nevada observatoire Pradollano.jpg

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Erdfunkstelle Fuchsstadt.jpg

Opticke zobrazeni dalekohled cassegrain.svg

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Parabolic antenna types2 fr.svg

European Solar Telescope participants.svg

Telescope mark.svg

Telescope mark white.svg

Stellar aberration.svg

CTA-Consortium Countries of Member Institutes.svg

SLNSW 9468 Kings competitor in the final looks through his telescope to check score as onlookers cheer.jpg

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Percival_Lowell_observing_Venus_from_the_Lowell_Observatory_in_1914.jpg

StateLibQld 1 134905 German immigrant family on their farm, probably in the Bethania area, Logan district, 1872.jpg

Bradford Robotic Telescope.jpg

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Mercury transit observation ;- Spectators among powerful telescopes..JPG

Ing telescopes sunset la palma july 2001.jpg

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Telescope made by Edward Naime, London, 1768-1769, for Samuel Williams, Professor of Astronomy at Harvard College - National Museum of American History - DSC06134.JPG

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