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Anhydrite is a calcium sulfate
Meteorite floating in mid-air over the shining sea against cloudscape.
The largest star in the universe compared to Betelgeuse and the Sun. Red supergiant Stephenson 2-18.
Gray rock with black and green lichen. Close-up.
A fossil found in a quarry
The Pleiades (or the Seven Sisters) is the name of an open cluster in the constellation Taurus.
The Pleiades (or the Seven Sisters) is the name of an open cluster in the constellation Taurus.
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Jupiter's moon Europa or Saturn's Moon Enceladus. Alien life in its liquid, internal ocean beneath its icy surface. 3D illustration
NGC 6946, sometimes referred to as the Fireworks Galaxy, is a face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky straddles the boundary between the northern constellations of Cepheus and Cygnus. Its distance from Earth is about 25.2 million light-years.
Our neighbor galaxy, Andromeda rising in the east with it companion the Triangulum Galaxy and Double Cluster.
Sirius is the brightest visible star. Image was shot using a remote telescope service.
Astro Photo: Starfield with Taurus and Pleiades
Scleractinian coral fossil on a Ammonite fossil. Both from the jurassic period found in the canton of Aargau.
Ammonite with mother of pearl
Beautiful crab shell isolated on black background
Kimberlite Rock - Source for Diamonds
Close up of an olivine basalt lava rock.
Comparison of giant stars and the sun. Antares, Aldebaran and the Sun on a black background. Composite image of some main sequence stars.
The lights of a passenger ferry produce a striking reflection on the surface of a very still harbour at night, while the stars spin overhead with Earth's motion.  Long exposure, composite image.
A collection of minerals from the sea on a glass table.
Ontario, Canada.
moldavite mineral isolated on the black background
3D Render of a Topographic Map of the Antarctica. \nAll source data is in the public domain.\nColor texture: Made with Natural Earth. \nhttp://www.naturalearthdata.com/downloads/10m-raster-data/10m-cross-blend-hypso/\nRelief texture: GMTED2010 data courtesy of USGS. URL of source image: https://topotools.cr.usgs.gov/gmted_viewer/viewer.htm\nWater texture lakes: Made with Natural Earth.\nhttps://www.naturalearthdata.com/downloads/10m-physical-vectors/\nWater texture: HIU World Water Body Limits: http://geonode.state.gov/layers/?limit=100&offset=0&title__icontains=World%20Water%20Body%20Limits%20Detailed%202017Mar30
Eroded partially dissolved carbonate rock in Cenote
Devonian microfossils in limestone matrix include circular and cylindrical crinoids, fan-shaped brachiopod (shell) fragments, speckled bryozoan fragments. Rock is about 1 1/2\
Patiria pectinifera
Marine life fossils.
A cross section of the agate stone filled with quartz. Multicolored silica rings colored with metal oxides are visible.
Fossil wood, cross-section of an ancient tree photo shot on analogue film
Free Images: "bestof:Asteroidea (Table of Contents, p. 73-74, Page (73)) BHL4368563.jpg Asteroidea / by Hubert Lyman Clark 4368563 25668 49083 Table of Contents p 73-74 Page 73"
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