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Martian dune valley...epa04054024 A handout picture made available by NASA on 04 February 2014 show a view combining several frames taken by the Mast Camera (Mastcam) on NASA's Mars rover Curiosity, looking into a dune valley on Mars, 30 January 2014. The team operating Curiosity has chosen this valley as a likely route toward mid-term and long-term science destinations. The foreground dune, at a location called 'Dingo Gap', is about one meter high in the middle and tapered at south and north ends onto low scarps on either side of the gap. The center of the view is about ten degree south of straight west. The left edge is about 20 degree west of straight south. The right edge is northwest. The largest of the dark rocks on the sand in the right half of the scene are about 60 cm across. The image has been white-balanced to show what the rocks would look like if they were on Earth. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology, Pasadena, USA, manages the Mars Science Laboratory Project for NASA's Science Mission Directorate, Washington. The Jet Propulsion Laboratory (JPL) designed and built the project's Curiosity rover. Malin Space Science Systems, San Diego, California, USA, built and operates the rover's Mastcam.

EPA/Nasa

A Nasa picture shows several frames of a dune valley on Mars, taken by the Mastcam on the rover Curiosity. The foreground dune at Dingo Gap is about 1 metre high in the middle and tapered at south and north ends onto low scarps on either side of the gap. The image has been white-balanced to show what the rocks would look like if they were on Earth. Read more

TO GO WITH AFP STORY BY IAN TIMBERLAKE  ...TO GO WITH AFP STORY BY IAN TIMBERLAKE  A handout picture released by the United Nations-African Union Mission in Darfur (UNAMID) shows Suleiman Fatul Saim, 10, from Dar al-Salam in North Darfur, posing for a picture in El-Fasher, the administrative capital of North Darfur, on April 2, 2013. Suleiman suffered burns to more than 90 percent of his body when his brother detonated a device found near their house in November 2006 as they planned to celebrate the victory of their football team in an accident that left one of their friends dead. From aircraft bombs to cluster munitions and grenades, the Ordnance Disposal Office of the international peacekeeping force in Sudan's war-torn Darfur has found and destroyed them all. But for every piece of unexploded weaponry the ODO eliminates, worsening fighting means that other munitions will take their place, posing a threat to farmers and peacekeepers alike. AFP PHOTO/UNAMID/ALBERT GONZALEZ FARRAN  == RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO/UNAMID/ALBERT GONZALEZ FARRAN" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Albert Gonzalez/AFP

A handout picture released by the United Nations-African Union Mission in Darfur (UNAMID) shows Suleiman Fatul Saim, 10, from Dar al-Salam in North Darfur, posing for a picture in El-Fasher, the administrative capital of North Darfur. Suleiman suffered burns to more than 90 percent of his body when his brother detonated a device found near their house in November 2006 as they planned to celebrate the victory of their football team in an accident that left one of their friends dead. From aircraft bombs to cluster munitions and grenades, the Ordnance Disposal Office of the international peacekeeping force in Sudan’s war-torn Darfur has found and destroyed them all. But for every piece of unexploded weaponry the ODO eliminates, worsening fighting means that other munitions will take their place, posing a threat to farmers and peacekeepers alike. Read more

An elderly woman walks from police officers as they block a street during unrest in central Kiev, Ukraine,Tuesday, Jan. 21, 2014. Anti-government protesters

AP

An elderly woman walks from police officers as they block a street during unrest in central Kiev, Ukraine

People make their way on plowed paths in the frigid temperatures outside city hall in Toronto on Monday, Jan. 20, 2014.

Nathan Denette/The Canadian Press/AP

People make their way on plowed paths in the frigid temperatures outside city hall in TorontoRead more

Mannequin parts are seen at a factory of Koray Vitrin Mankenleri in Ankara

Umit Bektas/Reuters

Parts at the sole mannequin-producing company in Ankara, Turkey, on Wednesday. It makes some 100 units a month and exports to mostly Arab countries.

A pair of abandoned boots lie covered by ash in a field following a further eruption of the Mount Sinabung.

Ulet Ifansasti/Getty Images

A pair of ash covered boots lie abandoned in a field following a further eruption of Mount Sinabung, in Karo District, North Sumatra, Indonesia

People watch and photograph enormous waves as they break on Porthcawl harbour, South Wales.

Ben Birchall/PA Wire

People watch and photograph enormous waves as they break on Porthcawl harbour, South Wales. The UK has been hit by storms and flooding over the past week

Flames rise from burning cars at the sit...Flames rise from burning cars at the site of a car bomb that targeted Beirut's southern suburb of Haret Hreik on January 2, 2014. A large car bomb killed five people and wounded at least 20 in south Beirut, a health ministry source told AFP. AFP PHOTO/STR-/AFP/Getty Images

AFP

Flames rise from burning cars at the site of a car bomb that targeted Beirut’s southern suburb of Haret Hreik. A large car bomb killed five people and wounded at least 20 in south Beirut, a health ministry source told AFP. Read more

A Nepalese man climbs the Boudhanath stupa, a world heritage site, as he works to renovate it in Katmandu, Nepal, Thursday, Jan. 2, 2014. The Boudhanath Stupa is an important pilgrimage site for Buddhists. (AP Photo/Niranjan Shrestha)

Niranjan Shrestha/AP

A man climbs the Boudhanath Stupa, a world heritage site in Katmandu, Nepal, as he works to renovate it. The Boudhanath is an important pilgrimage site for Buddhists. Read more

Solar Dynamics Observatory Shows Sun's Rainbow of Wavelengths...epa03995749 An undated handout picture released by NASA on 19 December 2013 shows a still image taken from a NASA movie of the sun based on data from NASA's Solar Dynamics Observatory (SDO), showing the wide range of wavelengths, invisible to the naked eye, that the telescope can view. SDO converts the wavelengths into an image humans can see, and the light is colorized into a rainbow of colors. Yellow light of 5,800 Angstroms, for example, generally emanates from material of about 5,700 degree Celsius, which represents the surface of the sun. Extreme ultraviolet light of 94 Angstroms, which is typically colorized in green in SDO images, comes from atoms that are about 6,300,000 degree Celsius and is a good wavelength for looking at solar flares, which can reach such high temperatures. By examining pictures of the sun in a variety of wavelengths, as it is done not only by SDO, but also by NASA's Interface Region Imaging Spectrograph, NASA's Solar Terrestrial Relations Observatory and the European Space Agency/NASA Solar and Heliospheric Observatory; scientists can track how particles and heat move through the sun's atmosphere.  EPA/NASA GODDARD SPACE FLIGHT CENTER  HANDOUT EDITORIAL USE ONLY

EPA/Nasa

This picture released by Nasa shows a still image taken from a video of the sun taken by Nasa’s Solar Dynamics Observatory – it shows a wide range of wavelengths invisible to the naked eye Read more