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PIX4590067 The constellation Raven - The Corvus constellation - Crow constellation among the clouds above a field of flowering rapeseed. Stars of trapezium - shape constellation “” Corvus” or the crow over a field
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PIX4670660 Aurora boreale - Norway - Aurora borealis - Norway - Aurora boreale observed in Norway. December 2011. Aurora Borealis over Kirkenes (Sollia), Norway. December 2011
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PIX4670678 Aurora boreale - Norway - Aurora borealis - Norway - Aurora boreale observed in Norway. December 2011. Aurora Borealis over Kirkenes (Sollia), Norway. December 2011
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PIX4590061 The constellation Raven - The Corvus constellation - Crow constellation among the clouds above a field of flowering rapeseed. In overprint, the mythological form of this constellation, extracted from the Uranographia of Hevelius. Stars of trapezium - shape constellation “” Corvus”” or the crow over a field. Constellation Mythological form from “” Uranographia”” star atlas by Hevelius (1690) has been added
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PIX4669769 Aurora Boreale plane view - Aurora Borealis seen from plane: Aurora boreale observed from an aircraft over Greenland, November 21, 2016. Aurora Borealis over Greenland seen from an airplane on November 21 2016
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PIX4669756 Aurora Boreale plane view - Aurora Borealis seen from plane: Aurora boreale observed from an aircraft over Greenland, August 24, 2017. Aurora Borealis over Greenland seen from an airplane on august 24 2017
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PIX4580179 Circumpolar and aurora boreale 04/2001 - Circumpolar and Aurora borealis 04/2001 - 4-hour photographic pose around the polar star. In the foreground, the Orthodox Church of Ninilchik, Alaska. This is a 4 - hour long exposure of star trails over a Russian Orthodox church at Ninilchik, Alaska during April of 2001. The aurora is seen as a glow on the northern horizon
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PIX4572243 Star field in the constellation Sagittarius - Scattered stars in Sagittarius: Stars in Sagittarius seen by the space telescope Hubble. This colourful and star-studded view of the Milky Way galaxy was captured when the NASA/ESA Hubble Space Telescope pointed its cameras towards the constellation of Sagittarius (The Archer). Blue stars can be seen scattered across the frame, set against a distant backdrop of red-hued cosmic companions. This blue litter most likely formed at the same time from the same collapsing molecular cloud. The colour of a star can reveal many of its secrets. Shades of red indicate a star much cooler than the Sun, so either at the end of its life, or much less massive. These low-mass stars are called red dwarfs and are thought to be the most common type of star within the Milky Way. Similarly, brilliant blue hues indicate hot, young, or massive stars, many times the mass of the Sun. A star's mass decides its fate; more massive stars burn brightly over a short lifespan, and die young after only tens of millions of years. Stars like the Sun typically have more sedentary lifestyles and live longer, burning for approximately ten billion years. Smaller stars, on the other hand, live life in the slow lane and are predicted to exist for trillions of years, well beyond the current age of the Universe
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CH989719 Sunset over the Plain of Barbizon. Theodore Rousseau (1812-1867). Oil on panel. 41.3 x 65.5cm.
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PIX4620222 Nebuleuse NGC 6726 - 27 - 29 dans la couronne australe - The Corona Australis nebula (NGC 6726 - 27 - 29) Image of R Coronae Australis region in the southern Milky Way, obtained with the Wide Field Imager (WFI) (camera) at the 2.2 - m MPG/ESO Telescope on La Silla (Chile). The sky field shown measures approx. 33.7 x 31.9 arcmin2 (about the diameter of the full moon). The R Coronae Australis complex of young stars and interstellar gas clouds is one of the nearest star - forming regions, at a distance of approx. 500 light - years from the Sun. It is seen in the southern constellation of that name (The ""Southern Crown""). R Coronae Australis, the bright star from which the entire complex is named, is located at the center of the field and illuminates the reddish nebula around it. The bright star in the lower part, illuminating a somewhat bluer nebula, is known as TY Coronae Australis. The brightness of these two stars and several others in the same field is variable. They belong to the so - called ""T Tauri"" class, a type that is quite common in star - forming regions. T Tauri stars are in the early stages of stellar evolution and display various observable characteristics of this phase, e.g. emission at visible and infrared wavelengths due to the accretion of matter left over from their formation, as well as X - ray emission. The nebulosity seen in this picture is mostly due to reflection of the stellar light by small dust particles. The stars in the R Coronae Australis complex do not emit sufficient ultraviolet light to ionize a substantial fraction of the surrounding hydrogen, and thereby cause this gas to glow. Also visible are so - called Herbig - Haro objects, i.e., dense clumps of gas ejected from the immediate vicinity of newly formed stars with velocities of about 200 km/sec. When such clumps ram into the gas, the atoms are heated (excited) and start to shine. The observations were obtained on the night of 30 August 2000
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BL3283083 RamayanaIllustrator: Sahib DinUdaipur, c.1653Language: SanskritSource/Shelfmark: Add 15297(1), f.34.
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SMT1217253 This Chandra image of M83 is one of the deepest X-ray observations ever made of a spiral galaxy beyond our own. This full-field view of the spiral galaxy shows the low, medium, and high-energy X-rays observed by Chandra in red, green, and blue respectively. Astronomers used this dataset to make the first detection in X-rays of the remains of a supernova that was seen in the night sky over 50 years ago. The X-ray data from the supernova remnant provide important information about the nature of the explosion that happened when a massive star ran out of fuel and collapsed.
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PIX4565129 Globular cluster NGC 7006 - Globular cluster NGC 7006 - The globular cluster NGC 7006 is located in the constellation Dauphin about 135,000 years old - light from Earth. Image obtained by the Hubble Space Telescope (HST). This NASA/ESA Hubble Space Telescope image shows a compact and remote globular star cluster that lies in one of the smallest constellations in the night sky, Delphinus (The Dolphin). Due to its modest size, great distance and relatively low brightness, NGC 7006 is often ignored by amateur astronomers. But even remote globular clusters such as this one appear bright and clear when imaged by Hubble's Advanced Camera for Surveys. NGC 7006 resides in the outskirts of the Milky Way. It is about 135,000 light - years away, five times the distance between the Sun and the centre of the galaxy, and it is part of the galactic halo. This roughly spherical region of the Milky Way is made up of dark matter, gas and sparsely distributed stellar clusters. Like other remote globular clusters, NGC 7006 provides important clues that help astronomers to understand how stars formed and assembled in the halo. The cluster now pictured by Hubble has a very eccentric orbit indicating that it may have formed independently, in a small galaxy outside our own that was then captured by the Milky Way. Although NGC 7006 is very distant for a Milky Way globular cluster, it is much closer than the many faint galaxies that can be seen in the background of this image. Each of these faint smudges is probably accompanied by many globular clusters similar to NGC 7006 that are too faint to be seen even by Hubble. This image was taken using the Wide Field Channel of the Advanced Camera for Surveys, in a combination of visible and near - infrared light. The field of view is a little over 3 by 3 arcminutes
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Total de Resultados: 13

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