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This is the Astronomical Viewpoint in the Roque de los Muchachos in the island of La Palma, Canary Islands, Spain.

Paris in autumn.

Seoul tower,Namsan tower in korea

Seoul, Korea - November 5th 2022, Beautiful fall morning, Hikers taking a break at Gwanaksan Peak in Seoul Korea. 관악산

A brass Telescope watching over the Trocadero in Paris, France

Tai Mo Shan radar station.Tai Mo Shan is the highest peak in Hong Kong, with an elevation of 957 metres

Astana, Kazakhstan, 19.08.2017 -Monument Baiterek in the city of Astana, close-up, Kazakhstan

Celestial observatories on top of the Haleakala crater rim and informational sign. The clear skies at high elevations are ideal for space observation.

Kyoto,Japan, 21 November 2014: people set up the store in To-ji market in Kyoto . To ji market or East temple market is the flea market in Day 21 only in each month

Large grove of trees backlit

Los Angeles, California, United States - 18 July 2017: Night image of Griffith Observatory in Los Angeles, California.

skyline of florence

A Green Oasis in the City

panoramic view over Paris with coin operated telescope

Cologne, Germany, July 23, 2023 Modern style Coin Operated Viewfinder Telescope overlooking the cityscape and Rhine River.

A telescope standing at the desert with night sky in the background. Astronomy and stars observing concept.

satellite dishes in the outer atrium of the headquarters building of RTP, Portuguese radio and television in Lisbon.

Airport observation deck. A line of cargo aircraft in the background. Telescope in the sharp foreground.

Safety light for the bicycle on a white background

Close up of an american vintage binocular coin operated viewer

tourist binocular on mountain Wallberg. View on lake Tegernsee in upper Bavaria (Germany)

Public stationary binoculars on the banks of the river in summer or autumn to look at nature, coin-operated red metal binoculars.

Fort Lauderdale, FL, USA - August 25, 2023: Downtown fort Lauderdale 360 equirectangular photo Lobeter Bar Sea Grill

aerial view of a rural landscape with some trees and the meandering river

fountain cover covered with snow

The Würzburg riese radar - Air-Defense Search Radar. The Würzburg radar was the primary ground-based gun laying radar for both the Luftwaffe and the German Army during World War II

Dragon Tower (龙塔), Harbin (哈尔滨市), China

New york city from the Empire State Building observation deck

Free Images: "bestof:OpticalTube3.png en Optical tube of Cassegrain telescope own Mungany 2009-03-20 Reflecting telescope diagrams"

Pluto System (french).jpg

Lunette télescope monnayeur arc de Triomphe.jpg

Sierra Nevada observatoire Pradollano.jpg

Sierra Nevada observatoire Pradollano 2.jpg

Pluto System (dumb version).jpg

Erdfunkstelle Fuchsstadt.jpg

Opticke zobrazeni dalekohled cassegrain.svg

Opticke zobrazeni dalekohled newton.svg

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European Solar Telescope participants.svg

Speckle aperture masking.svg

Aether drag analogy.svg

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Schmidt telescope (PSF).svg

CTA-Consortium Countries of Member Institutes.svg

Schmidt telescope (PSF) 1.svg

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

3quark-flux tube model.svg

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Lunette astronomique simplifiee principe.svg

Parabolic antenna types2.svg

Fluorescent Light.svg

Roman candle structure drawing.svg

Reflexionsgrad an der Grenzflaeche Wasser-Luft.svg

Glosario del APWeb - estambres monadelfos.svg

Glosario del APWeb - andróforo.svg

Cortes de Castilla-La Mancha (2011).svg

Parabolic antenna types2 fr.svg

Androphore and monadelphous stamens definitions as in APWeb glossary.svg

Andróforo y estambres monadelfos definiciones como en glosario del APWeb.svg

BOP stack top kill mode plus broken riser.svg

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

Subsea blowout preventer stack riser mud.svg

Hipanto (receptacular) definiciones como en glosarios de APWeb y Simpson (2010).svg

Receptacular hypanthium definitions as in APWeb and Simpson (2010) glossaries.svg

Deepwater Horizon oil spill recovery context bigfont.svg

Subsea blowout preventer stack.svg

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Digestive system diagram en.svg

22 degree Halo-Angle of Maximum Intensity for each wavelength of light through an Ice Crystal 60 degrees.svg

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Reflecting telescope, Ramsden, London, undated, TM7778, view 1 - Tekniska museet - Stockholm, Sweden - DSC01519.JPG

Reflecting telescope, Ramsden, London, undated, TM7778, view 2 - Tekniska museet - Stockholm, Sweden - DSC01520.JPG

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Bradford Robotic Telescope.jpg

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Trackball Telescope.jpg

Telescopio Schmidt-Cassegrain.jpg

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Hubble Space Telescope Backup Mirror.jpg

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Moscow State University Main Building Star.jpg

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BiSON Network.jpg

Reflecting telescope, after Isaac Newton, photo-1.JPG

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Dobsonian telescope Truss tube design.jpg

Telescope Celestron window.jpg

Terrestial telescope.JPG

Collimator telescope.JPG

LCOGT 2m.JPG

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