The Mars Curiosity rover used a camera on its robot arm to shoot a portrait of itself. This picture is actually made from 55 smaller images, stitched together by computer.

Masked demonstrators, employees from the Telefonica phone company, protest on a street near a building where executives are participating in a business meeting in Barcelona, Spain, Nov. 21, 2012. Spaniards are angered by austerity measures, including budget cuts and plans to partly privatize some of their country's cherished national health service.

Spain's David Ferrer reacts after defeating Jerzy Janowicz of Poland during their final match at the Paris Tennis Masters tournament, Nov. 4, 2012.

A parking lot full of yellow cabs is flooded as a result of superstorm Sandy in Hoboken, NJ, Oct. 30, 2012.

The world's tallest building, the Burj Khalifa, juts above the fog in what looks like a science fiction scene in Dubai, UAE, Oct. 19, 2012. A natural phenomena occurs every year around this time as the temperature begins to drop and humidity meets cooler air, forming the rolling fog.

A father cries while holding his dead child in front of Dar al Shifa Hospital in Aleppo, Syria, Oct. 4, 2012. The Syrian Army has continued to shell Aleppo and claims Al-Sakhour district is now clear of mercenaries and terrorists.

President Barack Obama, left, listens as Republican presidential candidate. Mitt Romney speaks during the first presidential debate at the University of Denver, Oct. 3, 2012, in Denver.

People cool down in a swimming pool in Daying county, in southwestern China's Sichuan province, Aug. 19, 2012.

Feminist punk group Pussy Riot members, Yekaterina Samutsevich, Maria Alekhina and Nadezhda Tolokonnikova sit in a glass cage at a court room in Moscow, Russia, Aug 17, 2012. They are charged with hooliganism connected to religious hatred. But the case is widely seen as a warning that authorities will tolerate opposition only under tightly controlled conditions.

United States' Jason Richardson, left, and Carmelita Jeter embrace as they celebrate their medals in Olympic Stadium at the 2012 Summer Olympics, London, Aug. 8, 2012. Richardson won silver in the men's 110-meter hurdles and Jeter bronze in the women's 200-meter.

Gabrielle Douglas of the United States competes on the balance beam in the Artistic Gymnastics Women's Individual All-Around final on Day 6 of the London 2012 Olympic Games at North Greenwich Arena, Aug. 2, 2012 in London, England.

Russian space agency rescue team carry U.S. astronaut Donald Pettit, center, shortly after the landing of the Russian Soyuz TMA-03M space capsule at the south-east of the Kazakh town of Dzhezkazgan, Kazakhstan, July 1, 2012. The Soyuz capsule, which carried two astronauts and Russian cosmonaut safely returned to Earth after a half-year stint on the international space station.

Space Shuttle Enterprise is carried by barge underneath the Verrazano-Narrows Bridge, June 3, 2012 in New York City. Enterprise is on it's way to the Intrepid Sea, Air and Space Museum, where it will put on permanent display.

A bear that wandered into the University of Colorado Boulder, Colo., dorm complex falls from a tree after being tranquilized by Colorado wildlife officials. Colorado University police spokesman Ryan Huff said the bear was likely 1-3 years old and weighed somewhere between 150-200 pounds.

Mount Etna is shown belching out lava, April 24, 2012, as the volcano continues to erupt throughout the month of April, in Catania, Italy. Europe's tallest and most active volcano has the longest period of documented eruptions in the world.

Tibetan exile Janphel Yeshi runs as he is engulfed in flames after he set himself on fire during a protest in New Delhi, March 26, 2012. The Tibetan exile set himself on fire during a rally in New Delhi to protest against an upcoming visit to India by Chinese President Hu Jintao, police said.

View of the Costa Concordia taken on Jan. 14, 2012, after the cruise ship ran aground and keeled over off the Isola del Giglio. The luxury cruise ship was carrying more than 4,000 passengers and crew when it struck rocks, sparking scenes of panic.

A Dutch local resident, standing in his house, looks to high waters level through his window, in Dordrecht, Netherlands, Jan. 5, 2012. Gale force winds reaching up to 70 miles an hour as well as heavy rains are expected along the Dutch coast. About a quarter of the country sits below sea level.