This image released by NASA shows the Aurora Australis, accompanied by star streaks and air glow, recorded by one of the Expedition 31 crew members May 22, 2012 when the orbital outpost was above a point on Earth located about 290 miles southeast of southern New Zealand. Two Russian spacecraft docked to the station are seen in the foreground. (Photo by NASA)

Venus passes in front of the sun in this ultra-high definition view by the Solar Dynamic Observatory on June 5, 2012. The next transit of Venus won't be for another 105 years. (Photo by Solar Dynamic Observatory/NASA)

In La Paz, Bolivia, members of indigenous communities from the Mallku Kota region clash with police officers during a protest against mining operations on their lands by the Canadian mining company South American Silver Corp on June 7, 2012. (Photo by Juan Karita/Associated Press)

Two rescued pangolins sit in a basket during a news conference in Bangkok on June 7, 2012. Thai customs rescued 110 pangolins worth about $35,500 that they say were to be sold outside the country as exotic food. The animals, hidden in a pickup truck, were seized at a customs checkpoint in Prachuap Khiri Khan province, south of Bangkok. (Photo by Sakchai Lalit/Associated Press)

Onlookers take pictures of the body of a sperm whale as it is dragged by a bulldozer at a beach in Luquillo, Puerto Rico on June 3, 2012. A marine mammal expert in Puerto Rico said rescuers were unable to save the whale, about the size of a city bus, that was stranded just off the island's north coast. (Photo by Ricardo Arduengo/Associated Press)

Justine Marsing, right, embraces Andrea Martinez at the Electric Daisy Carnival at the Las Vegas Motor Speedway on June 8, 2012. (Photo by John Locher/Las Vegas Review-Journal)

An injured former soldier of the Sandinista Popular Army is detained by police during clashes protesters blocked the entrance to Managua's international airport along to demand that the government of Nicaragua's President Daniel Ortega provide them social benefits as veterans of war on May 31, 2012. The Sandinista popular army fought to defend Ortega in the 1980's when the U.S. government, enmeshed in the Cold War, tried to overthrow him by backing Contra rebels. (Photo by Esteban Felix/Associated Press)

Chinese honor guards prepare for the arrival of Uzbekistan's President Islam Karimov at the Beijing Capital International Airport in Beijing for the Shanghai Cooperation Organization Summit on June 5, 2012. (Photo by Andy Wong/Associated Press)

Officials and locals gather around the fallen compartments of Doon Express, a passenger train which derailed in Jaunpur, India on May 31, 2012. According to news reports at least five people were killed and about fifty others injured after the passenger train, which was traveling from Howrah station, near Calcutta, to Dehradun in the state of Uttarakhand derailed. (Photo by Rajesh Kumar Singh/Associated Press)

Japan's all-girl pop idol group AKB48 member Yuko Oshima reacts after winning the annual AKB48 popularity poll in Tokyo on June 6, 2012. Fans picked their favorite from the group during the event. (Photo by Shizuo Kambayashi/Associated Press)

More than 5,000 Los Angeles kids, teachers and volunteers form a massive kid-designed shark and shield that reads “Defend the Sea” from everyday plastic trash as part of the 19th annual Kids Ocean Day Adopt-A-Beach Clean-Up sponsored by the Malibu Foundation, City of Los Angeles and the California Coastal Commission June 7, 2012 in Los Angeles, California. The kids are alerting the world about the need to protect the ocean from everyday trash and plastic litter that flow down streets, killing marine life and polluting food resources. (Photo by Lou Dematteis/Spectral Q)

A man sits in front of mannequins on display at a shop in Shanghai, China on June 8, 2012. (Photo by Eugene Hoshiko/Associated Press)

Models display lingerie designs in various themes as they pose at the Triumph Inspiration Award Japan at the Bunka Fashion College in Tokyo on May 30, 2012. The lingerie design competition was held for students in a quest for a fresh and creative perspective on lingerie design. The winner of the Japan competition will take part in the international final in Shanghai. (Photo by Reuters)

An Indian Myna feed it's chicks a grasshopper on June 8, 2012. They are in a nest built inside the wall of an underpass on the outskirts of New Delhi. (Photo by Parivartan Sharma/Reuters)

Indian Sikh Nihang holds his sword against his head to pray near the Sheesh Ganj Gurudwara Sikh temple in New Delhi, India on June 1, 2012. (Kevin Frayer/Associated Press)

A music group performs on a path amid fields to greet the farmers at Hwanggumpyong Island, near the North Korean town of Sinuiju and the Chinese border city of Dandong June 6, 2012. (Photo by Jacky Chen/Reuters)

U.S. Army Pvt. Jake Beaudoin takes cover during a controlled detonation to clear an area for setting up a checkpoint, in Zahri district of Kandahar province, southern Afghanistan, May 31. (Photo by Shamil Zhumatov/Reuters)

Hanzo, a three-year-old Boxer, begins a wipeout while surfing in the Incredible Dog Challenge dog surfing competition in San Diego on June 8, 2012. (Photo by Gregory Bull/Associated Press)