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PIX4623319: Planetary nebula M57 (NGC 6720) in Lyra - Planetary nebula M57 (NGC 6720) in Lyr / Bridgeman Images
PIX4623396: Planetary nebula NGC 6781 - A planetary nebula, NGC 6781 - This fairly inconspicuous planetary nebula is in Aquila and it marks the end of the long life of a sun - like star. Despite the longevity of their parent stars and the very brief lifetime of the nebula (typically less than 100,000 years) such sights are common because sun - like stars are common. The nebula has nothing to do with planet formation, indeed the formation of the nebula would effectively destroy any planets the parent star had, rather the name refers to the telescopic appearance of the nebula. Some planetaries are very bright and their discs look like solar system planets. A close look at this picture shows some structure in the expanding shell of gas around the star, reminiscent of the much more complex Helix nebula. The nebula we see is the ejected surface of the star expanding into material left from an earlier stage in its decline, when it briefly expanded as a 'red giant'. Irregularities in the earlier ejecta, asymmetrical outburst of the central star and motion of the new nebula through the interstellar medium as well as the star's orientation in space all affect the physical form of planetary nebulae, so a detailed interpretation of the outburst is difficult. The common factor is the central star, which is externemly hot. However, it is stripped of its energy source and destined to cool into oblivion long after the nebula has dispersed / Bridgeman Images
LRI4623408: Portrait of Marcello Malpighi, italian physician and biologist (painting) / Bridgeman Images
PIX4623431: The planetary nebula Dumbbell (M27) is located about 1200 light years from Earth in the constellation Little Fox. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. In this image the nova appeared on August 18, 2005 is visible. The Dumbbell Nebula (M27, NGC6853), is a planetary nebula located about 1200 light years from the earth in the constellation of Vulpecula. The nebula was formed when an evolved, red giant star ejected its outer envelope near the end of its lifetime. The expanding cloud of gas becomes visible once the hot core of the star, visible near the center, is exposed and the high-energy, ultraviolet light from the core ionizes the cloud. On the evening of August 17- 18, 2005, two European astronomers simultaneously discovered a new star in the Dumbbell Nebula. This image is a portrait of the Dumbbell Nebula featuring the 2005 nova. It is comprised of thirty separate fifteen minute images digitally combined into a single picture that is equivalent to a single seven and a half hour exposure. Images taken through a 20 inch Ritchey-Chretien telescope and an eleven mega-pixel camera situated in New Mexico's south central mountains were supplemented with images gathered from San Jose, California with a twelve inch Dall-Kirkham Cassegrain reflector and a three mega-pixel SBIG camera -: Nebuleuse planetaire Dumbbell (M27) dans le Petite Fox - The Dumbell nebula with a nova 08-2005 / Bridgeman Images
PIX4623437: Dumbbell Planetary Nebula (M27) in the Little Fox - This planetary nebula is located approximately 1200 years from Earth. Image obtained from the Isaac Newton 2.5 m telescope from La Palma / Bridgeman Images
PIX4622391: Mel 15 star cluster in the nebula IC 1805 - IC1805 Heart Nebula - Melotte 15 is a cluster of young stars composed of massive OB-type stars. Age about 1.5 million years, this cluster is located 50 years - light in front of the nebula it illuminates. Melotte 15 is an extremely young cluster of massive OB stars with a mean age of only 1.5 million years. The cluster is positioned some 50 light years in front of the nebula it illuminates / Bridgeman Images
TEC4622416: La Chapelle de la Sorbonne in Paris. Architect Jacques Lemercier (1585-1654). / Bridgeman Images
PIX4622430: Nebula IC 2177 in the Unicorn - IC 2177, also known as the Eagle or Seagull Nebula, is a large emission nebulosity located on the border between Monoceros and Canis Major, about 7.5 degrees northeast of Sirius / Bridgeman Images
PIX4622441: Nebula IC 2177dans la Unicorn - IC 2177 The Seagull nebula - IC 2177, is a large emission nebula located at the edge of the constellations of the Unicorn and the Great Dog. IC 2177, also known as the Eagle or Seagull Nebula, is a large emission nebulosity located on the border between Monoceros and Canis Major, about 7.5 degrees northeast of Sirius. The brightest portion is the “” head”” of the bird, NGC 2327, measuring some 19 x 17 arc minutes, surrounding an 8th magnitude star, and nearly bisected by an interesting dark lane that stretches from the star eastward, and also including some blue reflection nebulosity. Several open clusters are also involved in this area of nebulosity, the most prominent being NGC 2335, located on the northern “” wing”” of the figure of the Seagull nebula / Bridgeman Images
PIX4622508: Nebula IC 2220 in the Carene - The IC 2220 nebula - This reflexion nebula is illuminated by a giant red star, the star HD 65670. IC2220 is a type of reflection nebula formed as a result of mass loss from its parent star, the red giant HD 65750. The yellowish red light is the reflected 1ight of this parent star. The bipolar nebula (the mass of 1/100 that of our sun) was produced in an earlier phase of intense mass loss during the “” giant”” phase of this evolving star / Bridgeman Images
TEC4622524: Faculty of Sciences of Jussieu in Paris. Construction 1971 architects Edouard Albert, Urbain Cassan, Rene Coulon and Roger Seassal. / Bridgeman Images
PIX4622543: IC 2944 in Centaur - Stellar nursery IC 2944 - View of the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars. This intriguing new view of a spectacular stellar nursery IC 2944 is being released to celebrate a milestone: 15 years of Eso's Very Large Telescope. This image also shows a group of thick clouds of dust known as the Thackeray globules silhouetted against the pale pink glowing gas of the nebula. These blood cells are under fierce bombardment from the ultraviolet radiation from nearby hot young stars. They are both being eroded away and also fragmenting, rather like lumps of butter dropped onto a hot frying pan. It is likely that Thackeray's globules will be destroyed before they can collapse and form new stars / Bridgeman Images
TEC4622544: The Faculty of Sciences of Jussieu has Paris5e. Construction 1971, architects Edouard Albert, Urbain Cassan, Rene Coulon and Roger Seassal. / Bridgeman Images
PIX4622580: Nebula IC 2948 in Centaurus - Nebula IC 2948 and IC 2944 in Centaurus: IC2944 - SHO 70 70 70 Bin 2 - Nebula IC 2948 is a vast nebula located about 6000 light years from Earth in the southern constellation of Centaurus. It is associated with the cluster of stars IC 2944 near which Bok's blood cells are visible. A Bok's blood cell is a dark interstellar cloud of gases and dust that absorb light. If it condenses enough, it gives birth to new stars - Image obtained through 3 different filters that highlight oxygen (in blue), hydrogen (in green), and sulfur (in red) - Between the Southern Cross and the rich Carina region, on the southern border of Centaurus, is a large, almost featureless emission nebula, IC 2948, with a sprinkling of bright stars, Collinder 249. It is against this uniform, backdrop that we see a brighter region (IC 2944) which hosts small group of dark clouds of the kind known as 'Bok globules'. They are named for the Dutch-American astronomer who first drew attention to them as the possible sites of star formation. There are young stars scattered through the nebula and these stars are responsible for its existence. The stars only 10 million years old and the hydrogen they illuminate seems to be unusually thinly spread and very uniform, so the nebula is both faint and extensive. It is also quite distant, about 6000 light years and is only two degrees from the Galactic plane, so there are many foreground stars. This image is in the classic “” Hubble palette”” where SII is assigned to red, H-alpha to green, and OIII to blue. RGB frames were taken for star colors / Bridgeman Images
TEC4622587: Peniche restaurant, floating kiosques, on the Seine near Notre Dame de Paris. / Bridgeman Images
TEC4622611: Peniche restaurant on the Seine, in front of the Cathedrale Notre Dame de Paris, Paris 4th. Construction XIIIth, XIIIth, XIXth, rehabilitation by Eugene Viollet the Duke (1814-1879). / Bridgeman Images
TEC4622632: The gargoyles of the Hotel de Cluny in Paris. One of the most beautiful monuments of medieval civil architecture in Paris elevated to the iniative of the Abbes of Cluny by Jacques d'Amboise (around 1440 or 1450-1516), brother of the cardinal minister. Restores after the ransacks of the Revolution, it now houses collections of sculptures and art objects from the Middle Ages. Renovated since 1991, the National Museum of the Middle Ages Thermes de Cluny. / Bridgeman Images
PIX4622643: North America and Pelican Nebulae in the Swan - North America and Pelican Nebulae in the Swan - Part of the North America Nebula (NGC 7000) with dark Nebula LDN 935 and on the right part of the image the Pelican Nebula, IC 5067 - 5070. The two bright stars are 56 and 57 Cygni / Bridgeman Images
TEC4622658: The Pantheon in Paris. Construction 1757-1790, architect Jacques Germain Soufflot (1713-1780). In 1744 Louis XV, suffering from a serious illness in Metz, would wish to erect an immense church instead of the abbey of Sainte Genevieve, which was then in ruins. When the war came, he kept his word and assigned the architect Soufflot the task of drawing the plans of the monument. A great admirer of Greek Roman architecture, he imagined a gigantic building, built on a plan of Greek cross 110 metres long, 84 metres wide and 83 metres high. At the time, the project seemed so insane that many, in the court and in the salons of the capital, would question Soufflot's abilities and prevent the collapse of the monument. Louis XV confirmed his confidence in the architect and laid the foundation stone in 1764 during a grand ceremony. In 1806, the Pantheon, like all the churches in France closed during the revolution, was restored to its original name of Sainte Genevieve church. Renamed Pantheon in 1830, the building regained its vocation as a laique and patriotic temple. Headquarters to the insurgents of the Commune in 1871, during which Milliere was shot on the steps, the building was definitively transformed into a Republican monument in 1885, during the funeral of Victor Hugo. / Bridgeman Images
TEC4624220: Trocadero aquarium yard, Avenue Albert de Mun in Paris 75016. Architect Jacques Rougerie. Photograph 2004. / Bridgeman Images
PIX4624238: Telescope IAC-80 - Tenerife Observatory: 80 cm diameter telescope installed on the island of Tenerife / Bridgeman Images
PIX4624260: Star sky on Yellowstone - Night sky panorama and hot springs - View of the star sky above the excelsior geyser eruption. Yellowstone National Park, Wyoming, USA. Colorful airglow and pink-orange Northern Lights are visible in this panorama of the night sky taken in Yellowstone National Park. Steam rises from the Excelsior Geyser Crater / Bridgeman Images
PIX4624263: Stars on the Matterhorn - Photographic pose on the star sky above the Matterhorn. Long exposure photograph on starry sky above Matterhorn / Bridgeman Images
PIX4624284: Walhalla under the stars - Starry sky above Walhalla memorial: The Walhalla is a neo-Doric marble temple located in Donaustauf on the banks of the Danube. This memorial houses busts of German personalites - Photo taken on June 25, 2015, in the sky the lactee path and the galaxy of Andromede - The Walhalla is a hall of fame that honors distinguished people in German history / Bridgeman Images
