User:Don-vip/gallery

Sun Dec 29 19:26:33 CET 2019

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  Église Saint-Blaise de Salan
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  Église Saint-Blaise de Salan
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  Église Saint-Amans de Camboulazet
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  Église Saint-Amans de Camboulazet
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  Église Saint-Amans de Camboulazet
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  Église de Manhac
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  Église de Manhac
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  Église de Manhac
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  Château de Calmont (Aveyron)
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  Église de Calmont
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  Chat à Calmont
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  Calmont (Aveyron)
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  Église Saint-Amans de Magrin
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  Église Saint-Amans de Magrin
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  Église Saint-Amans de Magrin
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  Église Saint-Amans de Magrin
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  Pont du Diable (Calmont)
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  Pont du Diable (Calmont)
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  Église Saint-Sauveur de Grandfuel
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  Église Saint-Sauveur de Grandfuel
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  Pont de Grand-Fuel
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  Pont de Grand-Fuel
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  Pont de Grand-Fuel

Sat Feb 09 02:00:26 CET 2019

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  Captured on 1 October 2018 by the Copernicus Sentinel-2A satellite, this image features part of northeast Kenya – an area east of the East African Rift. The region tends to be very arid and this false-colour image has been processed to highlight different types of rock, soil and sand in pinks, purples and yellows. The bright green at the top of the image depicts vegetation, but the rest of the area appears relatively devoid of vegetation. Several dry river beds can also be seen etched into the landscape and the black shape in the middle-left appears to be an area of freshly burnt land. The lack of water has, at times, led to clashes between clans over access to water and pasture for cattle. When the rains do come, however, this dry dusty land can burst into life and turn a rich green. Part of the ‘great north road’ can also been seen running from the bottom-left to the top-right. The road is one of the best in the country, linking Nairobi in the south of the country to Ethiopia. The northern 500-km stretch from Isiolo to the Kenyan–Ethiopian border town of Moyale took about nine years to build and was completed recently, but has reduced travel time from Nairobi to Moyale from three days to about 12 hours and opened up new opportunities for trade and business. Moyale can be seen in the top-right of the image. Copernicus Sentinel-2 is a two-satellite mission. Each satellite carries a high-resolution camera that images Earth’s surface in 13 spectral bands. The mission is mostly used to track changes in the way land is being used and to monitor the health of our vegetation. This Copernicus Sentinel-2A image is also featured on the Earth from Space video programme.

Sat Feb 09 01:55:34 CET 2019

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  This intricate structure of an ancient river delta once carried liquid water across the surface of Mars. To best enjoy this image, produced with infrared and visible filters on the Colour and Stereo Surface Imaging System (CaSSIS) of the ESA-Roscosmos ExoMars Trace Gas Orbiter, view through red/green ‘3D’ glasses. To create a stereo view like this, the orbiter’s camera uses a motor to rotate its telescope and take photos from different angles. The two views can be put together to make a three-dimensional view. Click here to see one of the pair of images that comprise the ‘stereo pair’. The distinctive form of a delta arises from sediments that are deposited by a river as it enters slower-moving water, like a lake or a sea, for example. The Nile River delta is a classic example on Earth, and uncannily similar features have been spotted on Saturn’s moon Titan and – closer to home – Mars. While liquid water is no longer present on the surface of Mars, features in the left portion of this image provide strong evidence of it having played an important role in the history of the Red Planet. Furthermore, water-ice is still stable on the surface today, and a recent discovery from Mars Express detected a pocket of liquid water below the surface. The 100-metre-thick fan-shaped deposit seen in this image is found in Eberswalde crater in the southern hemisphere of Mars (326.33ºE/23.55ºS). The image covers an area of 31 x 7.5 km and was taken on 16 November 2018. While presented in beautiful aqueous blues and greens, the image is false-colour. The layered rocks that comprise the delta deposits are indicated in white/yellow to purple/blue. The yellow represents the presence of oxidised iron deposits, indicating that the rocks were altered by the presence of water, while the blues signify less altered materials. This suggests that the influence of liquid water reduced over time, perhaps relating to a change in environmental conditions. After the deposition of the delta sediments in the crater’s ancient lake, fresher sediments – some perhaps deposited by wind – accumulated to cover up a major part of the delta and its connecting channels. These secondary sediments were later eroded in the delta, exposing an inverted relief of the structure that is observed today. This particular delta was first observed by NASA's Mars Global Surveyor and has also been imaged by ESA’s Mars Express. It sits inside a 65 km wide impact basin called Eberswalde, which is almost completely buried by material ejected from the much larger and younger nearby Holden Crater. Another example of a martian delta can be found in Jezero Crater, which was recently selected as the landing site for the NASA Mars 2020 rover. Meanwhile the ESA-Roscosmos ExoMars rover, also launching in 2020, will target the ancient, once water-rich plains of Oxia Planum. The ExoMars rover will drill down to two metres below the surface to search of clues for past life preserved underground. ESA has been exploring Mars for more than 15 years, starting with Mars Express that arrived at the Red Planet at the end of 2003, and which continues to return results today. Meanwhile the Trace Gas Orbiter will complete its first year of science investigations in April; it is sniffing the atmosphere to seek out the faint traces of gases that might be linked to active biological or geological process, and mapping the distribution of underground water-ice. It is also a data relay, providing essential communications infrastructure for current and future surface assets. ESA and NASA are also preparing for the next stage of Mars exploration: returning a sample from the Red Planet. NASA’s 2020 rover is set to collect surface samples in small canisters that could later be retrieved by a second mission, and launched into Mars orbit. A third mission would rendezvous with the samples and return them to Earth, where they could be accessed by teams of scientists across the world. Long-term planning is crucial to realise the missions that investigate fundamental science questions, and to ensure the continued development of innovative technology, inspiring new generations of European scientists and engineers.

Sat Feb 09 01:55:12 CET 2019

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  This intricate structure of an ancient river delta once carried liquid water across the surface of Mars. The distinctive form of a delta arises from sediments that are deposited by a river as it enters slower-moving water, like a lake or a sea, for example. The Nile River delta is a classic example on Earth, and uncannily similar features have been spotted on Saturn’s moon Titan and – closer to home – Mars. While liquid water is no longer present on the surface of Mars, features in the left portion of this image provide strong evidence of it having played an important role in the history of the Red Planet. Furthermore, water-ice is still stable on the surface today, and a recent discovery from Mars Express detected a pocket of liquid water below the surface. The 100-metre-thick fan-shaped deposit seen in this image is found in Eberswalde crater in the southern hemisphere of Mars (326.33ºE/23.55ºS). The image covers an area of 31 x 7.5 km and was taken on 16 November 2018 by the Colour and Stereo Surface Imaging System (CaSSIS) of the ESA-Roscosmos ExoMars Trace Gas Orbiter. While presented in beautiful aqueous blues and greens, the image is false-colour. The layered rocks that comprise the delta deposits are indicated in white/yellow to purple/blue. The yellow represents the presence of oxidised iron deposits, indicating that the rocks were altered by the presence of water, while the blues signify less altered materials. This suggests that the influence of liquid water reduced over time, perhaps relating to a change in environmental conditions. After the deposition of the delta sediments in the crater’s ancient lake, fresher sediments – some perhaps deposited by wind – accumulated to cover up a major part of the delta and its connecting channels. These secondary sediments were later eroded in the delta, exposing an inverted relief of the structure that is observed today. This particular delta was first observed by NASA's Mars Global Surveyor and has also been imaged by ESA’s Mars Express. It sits inside a 65 km wide impact basin called Eberswalde, which is almost completely buried by material ejected from the much larger and younger nearby Holden Crater. Another example of a martian delta can be found in Jezero Crater, which was recently selected as the landing site for the NASA Mars 2020 rover. Meanwhile the ESA-Roscosmos ExoMars rover, also launching in 2020, will target the ancient, once water-rich plains of Oxia Planum. The ExoMars rover will drill down to two metres below the surface to search of clues for past life preserved underground. ESA has been exploring Mars for more than 15 years, starting with Mars Express that arrived at the Red Planet at the end of 2003, and which continues to return results today. Meanwhile the Trace Gas Orbiter will complete its first year of science investigations in April; it is sniffing the atmosphere to seek out the faint traces of gases that might be linked to active biological or geological process, and mapping the distribution of underground water-ice. It is also a data relay, providing essential communications infrastructure for current and future surface assets. ESA and NASA are also preparing for the next stage of Mars exploration: returning a sample from the Red Planet. NASA’s 2020 rover is set to collect surface samples in small canisters that could later be retrieved by a second mission, and launched into Mars orbit. A third mission would rendezvous with the samples and return them to Earth, where they could be accessed by teams of scientists across the world. Long-term planning is crucial to realise the missions that investigate fundamental science questions, and to ensure the continued development of innovative technology, inspiring new generations of European scientists and engineers.

Sat Feb 09 01:47:53 CET 2019

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  This Copernicus Sentinel-2 image from 26 January 2019 shows fire-scarred land near the Betty’s Bay area of Cape Town in South Africa. This false-colour image has been processed to show burned areas in dark greys and browns, and areas covered with vegetation are shown in red.

Fri Jan 04 22:40:02 CET 2019

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Fri Jan 04 22:09:02 CET 2019

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Fri Jan 04 22:05:31 CET 2019

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Fri Jan 04 21:15:57 CET 2019

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  Français : Pyrénées. Arratille
  Artist	Creator:Abbé Ludovic GAURIER
  Title	Français : Pyrénées. Arratille
  Date	1910 date QS:P571,+1910-00-00T00:00:00Z/9
  Medium	photograph medium QS:P186,Q125191
  Collection	Archives municipales de Toulouse    Native name Archives municipales de Toulouse Location Toulouse , France Coordinates 43° 37′ 27″ N, 1° 27′ 42″ E   Website www.archives.mairie-toulouse.fr/ Authority file : Q2860540 VIAF: 156702129 ISNI: 0000000121925174 LCCN: n81104638 SUDOC: 026564130 BNF: 11878769z WorldCat institution QS:P195,Q2860540
  Accession number	67Fi1 (Record, image)
  Object history	Français : Achat à M. Philippe Terrancle le 26/07/2013.
  Source/Photographer	Template:Fonds Abbé Ludovic GAURIER - Archives municipales de Toulouse
  Permission (Reusing this file)	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information). This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse