• Cmdr_Hadfield/Twitter
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    This photo of Calgary, Canada, was tweeted by Chris Hadfield from the International Space Station on March 15. He wrote, "Calgary in the snows of early March. Time for a warm wind from the Rockies? pic.twitter.com/JprYAT9mhN"

  • AP Photo/Ahn Young-joon
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    A South Korean child holds a candle light during a rally denouncing the annual joint military exercises, dubbed Key Resolve and Foal Eagle, South Korea and the United States joint military exercise, in Seoul, South Korea, Friday, March 15, 2013. Pyongyang's most recent threats follow U.N. sanctions imposed last week over its third nuclear test, which it conducted Feb. 12. North Korea says ongoing annual U.S.-South Korean military drills are invasion rehearsals.

  • AstroMarshburn/Twitter
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    This photo of volcanoes in Central America was tweeted by Thomas H. Marshburn from the International Space Station on March 15. He wrote, "We can see the effects of plate tectonics– string of volcanoes in Central America pic.twitter.com/XNL7DQ8lTY"

  • AP Photo/Rodrigo Abd
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    Confetti falls around the hearse carrying the coffin that contains the remains of Venezuela's late President Hugo Chavez, in a funeral procession, in Caracas, Venezuela, Friday, March 15, 2013. Chavez's body is being transferred Friday from the military academy where it has been lying in state to the military museum that will serve as his final resting place. Venezuelans lined up to bid their last farewell to Hugo Chavez on Friday. Chavez was 58 when he died of an undisclosed type of cancer on March 5.

  • AstroMarshburn/Twitter
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    This photo of Ireland was tweeted by astronaut Thomas H. Marshburn from the International Space Station on March 15. He wrote, "Flew over the snowline north of Ireland’s Clonakilty and Bandon pic.twitter.com/948tdoz7vp"

  • Cmdr_Hadfield/Twitter
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    This photo of the Great Lakes was tweeted by astronaut Chris Hadfield from the International Space Station on March 15. He wrote, "Tonight's Finale: From Ontario to Superior, the Great Lakes in mid-March, as-seen from Earth orbit. pic.twitter.com/kCMKH86qDn"

  • AP Photo/Arun Sankar K.
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    Indian army soldiers spit fire as they perform the mallakhamb, a traditional Indian gymnastic sport, during a display of skills at Officers Training Academy in Chennai, India, Friday, March 15, 2013.

  • NASA Earth Observatory
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    NASA's Earth Observing-1 satellite captured this natural-color image of Kizimen Volcano on Russia's Kamchatka Peninsula on March 12. A plume rose from the summit, while snow covered a lava flow on the volcano’s eastern flank.

  • AP Photo/Ed Andrieski
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    A wildfire burns out of control at Horsetooth Reservoir west of Fort Collins, Colo., on Friday, March 15.

  • NASA Earth Observatory
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    Next: Yesterday's 10 Must-See Photos

    Mount Cleveland occupies the western half of Chuginadak Island in the east-central Aleutian Islands. Cleveland is one of the most active volcanoes in the Aleutian Islands, but in early March 2013, authorities lowered the volcano’s alert level. On March 14, 2013, clouds cleared enough to allow the Advanced Land Imager (ALI) on NASA’s Earth Observing-1 (EO-1) satellite an unobstructed view of Mount Cleveland. Ash stained the snow around the summit, and the volcano sent a small plume skyward, but activity was minimal compared to its eruptive activity several years earlier.