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A sextant is a marine navigation instrument which is used to measure the angle between two objects.
A senior Caucasian male visitor to an exhibition of ancient Roman culture, using magnifying glass to see details of the small archaeological findings. Waist up side view.
Woman looking at night sky with amateur astronomical telescope.
astronomical photography with apochromatic refractor 80mm
The Dumbbell Nebula is a planetary nebula in the constellation Vulpecula at a distance of about 1360 light years. Image taken from Central California foothills
Vintage photograph of Camille Flammarion, French astronomer, looking through telescope at Observatory at Juvisy-sur-Orge, 1890s
Orion Nebula and Running Man
Universe of Galaxy and Stars Sky Background.
Orion Nebula in the Constellation of Orion
Brilliant starry sky background
Domes of small telescopes in an observatory in the background of the milky way
A photo of the Horsehead Nebula taken with a RASA telescope
Silhouette of a man, telescope, stars, planets and shooting star under the night sky.
Milky Way galaxy above secluded peruvian Andes - stars landscape at night, Peru\n\nMars on your left below, the more shining one.
Barnard's Loop (catalogue designation Sh 2-276) is an emission nebula in the constellation of Orion. It is part of the Orion Molecular Cloud Complex which also contains the dark Horsehead and bright Orion nebulae.
Orion nebula. Image was shot using a remote telescope service.
Man with telescope looking at the stars. Stellar Nursery NGC 1672. Spiral galaxy in the constellation Dorado
Computer - drawn illustration of a starry sky with a dark background
4077 light years from earth.
An observatory at night with the milky way in the background. Silhouette of the dome and the mountains.
Silhouette of a man, telescope, stars, planets and shooting star under the night sky.
astrophotography cosmos outer space dark night sky with many stars and milky way
Milky way galaxy with stars and space dust in the universe
Shot of the sky on a dark starry night
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus.\nTelescope 132 mm\nDSLR Camera\nExposure 300 seconds\n29 shots combined into a picture
The Rosette Nebula captured in narrowband with RBG stars
The Dumbbell Nebula (also known as the Apple Core Nebula, Messier 27, M 27 or NGC 6853) in the constellation of Volpetta, captured with a Smith Cassengrain telescope and a cooled astronomical camera
Starry sky
Pinwheel galaxy in the night sky shot at 600mm
Deep space real astrophotography image view of the colorful Fish Head Nebula IC 1795. The Nebula is located in the Perseus Arm of the Milky Way in the constellation Cassiopeia at a distance of 7,500 light-years from Earth.
Free Images: "bestof:Laurent de - Astronomy - 1650.jpg Artwork creator Laurent de La Hyre Astronomy 1650 oil canvas cm 104 218 Museum Musée des Beaux-Arts d'Orléans http //www"
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