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An engineer from NASA's Jet Propulsion Laboratory oversees a fit check during the integration & testing of the Optical PAyload for Lasercomm Science (OPALS).
An engineer from NASA's Jet Propulsion Laboratory oversees a fit check during the integration & testing of the Optical PAyload for Lasercomm Science (OPALS).

OPALS Fit Check

NASA's Terra spacecraft captured this imagery and data over Hurricane Sandy as the storm approached the U.S. east coast on Oct. 28, 2012. The image at left covers an area 250 miles (400 kilometers) wide and extends from Massachusetts to Florida.
NASA's Terra spacecraft captured this imagery and data over Hurricane Sandy as the storm approached the U.S. east coast on Oct. 28, 2012. The image at left covers an area 250 miles (400 kilometers) wide and extends from Massachusetts to Florida.

NASA's Spacecraft Imagery Shows Hurricane Sandy's Wind Flow

The Optical PAyload for Lasercomm Science (OPALS) undergoes vibration testing at NASa's Jet Propulsion Laboratory in December 2012.
The Optical PAyload for Lasercomm Science (OPALS) undergoes vibration testing at NASa's Jet Propulsion Laboratory in December 2012.

OPALS Vibration Testing

This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.
This prominent circular feature, known as the Richat Structure, in the Sahara desert of Mauritania is often noted by astronauts because it forms a conspicuous bull's-eye on the otherwise rather featureless expanse of the desert.

Richat Structure, Mauritania

NASA's Terra spacecraft shows Timbuktu in the West African Nation of Mali, about 15 km north of the Niger River, at the intersection of an east-west and a north-south Trans Saharan trade route across the Sahara.
NASA's Terra spacecraft shows Timbuktu in the West African Nation of Mali, about 15 km north of the Niger River, at the intersection of an east-west and a north-south Trans Saharan trade route across the Sahara.

Timbuktu, Mali

Spatial distribution of snow water equivalent across the Tuolumne River Basin from April 10 to June 1, 2013 as measured by NASA's Airborne Snow Observatory.
Spatial distribution of snow water equivalent across the Tuolumne River Basin from April 10 to June 1, 2013 as measured by NASA's Airborne Snow Observatory.

Spatial Distribution of Tuolumne River Basin Mapped by Airborne Snow Observatory

The Spring, 2009 floods along the Red River between North Dakota and Minnesota affected cities in the two states, especially Fargo and Whitehead. NASA's Terra spacecraft acquired this image on April 9, 2009.
The Spring, 2009 floods along the Red River between North Dakota and Minnesota affected cities in the two states, especially Fargo and Whitehead. NASA's Terra spacecraft acquired this image on April 9, 2009.

North Dakota Floods

NASA's CloudSat passed over Sandy at 10:32 a.m. EDT on Oct. 27, 2012. Light to moderate precipitation associated with parts of the outer bands of Hurricane Sandy were moving on shore into parts of North Carolina.
NASA's CloudSat passed over Sandy at 10:32 a.m. EDT on Oct. 27, 2012. Light to moderate precipitation associated with parts of the outer bands of Hurricane Sandy were moving on shore into parts of North Carolina.

NASA's CloudSat Views Hurricane Sandy

On Sept. 3, 2010, NASA's Terra spacecraft captured this image strip over the Indus River, Pakistan, where severe flooding caused a major humanitarian crisis.
On Sept. 3, 2010, NASA's Terra spacecraft captured this image strip over the Indus River, Pakistan, where severe flooding caused a major humanitarian crisis.

ASTER Maps Continued Pakistan Flooding (False Color)

The white ring around Lake Powell tells the story. The surface is down 98 feet. This is critical, because Powell, Lake Mead, and other lakes along the Colorado River provide water for millions of people in five states. Image from NASA's Terra satellite.
The white ring around Lake Powell tells the story. The surface is down 98 feet. This is critical, because Powell, Lake Mead, and other lakes along the Colorado River provide water for millions of people in five states. Image from NASA's Terra satellite.

Lake Powell

A devastating mudslide in the world-renowned Geyser Valley on the Kamchatka Peninsula virtually obliterated the natural wonder, forcing the emergency evacuation of visitors and national park personnel. This image was acquired by NASA's Terra spacecraft.
A devastating mudslide in the world-renowned Geyser Valley on the Kamchatka Peninsula virtually obliterated the natural wonder, forcing the emergency evacuation of visitors and national park personnel. This image was acquired by NASA's Terra spacecraft.

Geyser Valley on the Kamchatka Peninsula

The Esperanza fire started on October 26, 2006 in the dry brush near Palm Springs, CA. This image was acquired in 2006 by NASA's Terra spacecraft.
The Esperanza fire started on October 26, 2006 in the dry brush near Palm Springs, CA. This image was acquired in 2006 by NASA's Terra spacecraft.

Esperanza Fire near Palm Springs, California

This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite covers an area of 55 by 40 kilometers (34 by 25 miles) over the southwest part of the Malaspina Glacier and Icy Bay in Alaska.
This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NASA's Terra satellite covers an area of 55 by 40 kilometers (34 by 25 miles) over the southwest part of the Malaspina Glacier and Icy Bay in Alaska.

Malaspina Glacier, Alaska

NASA's Terra spacecraft shows the Rub' al Khali, one of the largest sand deserts in the world, encompassing most of the southern third of the Arabian Peninsula; it includes parts of Oman, United Arab Emirates, and Yemen.
NASA's Terra spacecraft shows the Rub' al Khali, one of the largest sand deserts in the world, encompassing most of the southern third of the Arabian Peninsula; it includes parts of Oman, United Arab Emirates, and Yemen.

Rub' al Khali, Arabia

Engineers from NASA's Jet Propulsion Laboratory carry RoboSimian, a robot developed at JPL, at the DARPA Robotics Challenge Trials in Florida in December 2013.
Engineers from NASA's Jet Propulsion Laboratory carry RoboSimian, a robot developed at JPL, at the DARPA Robotics Challenge Trials in Florida in December 2013.

Carrying RoboSimian

RoboSimian, a limbed robot developed by engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, competed in the DARPA Robotics Challenge (DRC) Trials in Florida in December 2013.
RoboSimian, a limbed robot developed by engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, competed in the DARPA Robotics Challenge (DRC) Trials in Florida in December 2013.

RoboSimian Competes

The Great Barrier Reef extends for 2,000 kilometers along the northeastern coast of Australia. It is not a single reef, but a vast maze of reefs, passages, and coral cays (islands that are part of the reef).
The Great Barrier Reef extends for 2,000 kilometers along the northeastern coast of Australia. It is not a single reef, but a vast maze of reefs, passages, and coral cays (islands that are part of the reef).

Australia's Great Barrier Reef

RoboSimian, a limbed robot developed by engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, competed in the DARPA Robotics Challenge Trials in Florida in December 2013.
RoboSimian, a limbed robot developed by engineers at NASA's Jet Propulsion Laboratory in Pasadena, California, competed in the DARPA Robotics Challenge Trials in Florida in December 2013.

RoboSimian's Inner Workings

The Wilkins Ice Shelf, as seen by NASA's Terra spacecraft, on the western side of the Antarctic Peninsula, experienced multiple disintegration events in 2008.
The Wilkins Ice Shelf, as seen by NASA's Terra spacecraft, on the western side of the Antarctic Peninsula, experienced multiple disintegration events in 2008.

Wilkins Ice Shelf

Northern Arizona is best known for the Grand Canyon. Less widely known are the hundreds of geologically young volcanoes, at least one of which buried the homes of local residents. This image was acquired by NASA's Terra spacecraft.
Northern Arizona is best known for the Grand Canyon. Less widely known are the hundreds of geologically young volcanoes, at least one of which buried the homes of local residents. This image was acquired by NASA's Terra spacecraft.

Northern Arizona Volcanoes

Large plumes of smoke rising from devastating wildfires burning near Los Angeles and San Diego on Sunday, October 26, 2003, are highlighted in this set of images from NASA's Terra spacecraft.
Large plumes of smoke rising from devastating wildfires burning near Los Angeles and San Diego on Sunday, October 26, 2003, are highlighted in this set of images from NASA's Terra spacecraft.

Wildfires Rage in Southern California

This image from NASA's Terra spacecraft shows the junctions of the Amazon and the Rio Negro Rivers at Manaus, Brazil.
This image from NASA's Terra spacecraft shows the junctions of the Amazon and the Rio Negro Rivers at Manaus, Brazil.

Manaus, Brazil

The MISR instrument aboard NASA's Terra spacecraft captured this stereo image of Russia's Volga River, the largest river system in Europe. 3D glasses are necessary to view this image.
The MISR instrument aboard NASA's Terra spacecraft captured this stereo image of Russia's Volga River, the largest river system in Europe. 3D glasses are necessary to view this image.

Volga Delta and the Caspian Sea

The city of Calcutta, India appears in this 24 by 34 km (15 by 21 mile) sub-scene, acquired March 29, 2000 by NASA's Terra satellite.
The city of Calcutta, India appears in this 24 by 34 km (15 by 21 mile) sub-scene, acquired March 29, 2000 by NASA's Terra satellite.

Calcutta

This image of Saudi Arabia shows a great sea of linear dunes in part of the Rub' al Khali, or the Empty Quarter. Acquired on June 25, 2000 by NASA's Terra satellite.
This image of Saudi Arabia shows a great sea of linear dunes in part of the Rub' al Khali, or the Empty Quarter. Acquired on June 25, 2000 by NASA's Terra satellite.

ASTER Dunes

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