Pine Island Glacier
In mid-October 2011, NASA scientists working in Antarctica discovered a massive crack across the Pine Island Glacier, a major ice stream that drains the West Antarctic Ice Sheet. Extending for 19 miles (30 kilometers), the crack was 260 feet (80 meters) wide and 195 feet (60 meters) deep. Eventually, the crack will extend all the way across the glacier, and calve a giant iceberg that will cover about 350 square miles (900 square kilometers). This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) instrument on NAS’s Terra spacecraft was acquired Nov. 13, 2011, and covers an area of 27 by 32 miles (44 by 52 kilometers), and is located near 74.9 degrees south latitude, 101.1 degrees west longitude. Image Credit: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
Toulouse Space Show: call for papers
ESA is a partner in the Toulouse Space Show being held 25–28 June. Experts from all over the world will gather for conferences on space applications, space and law, knowledge management for space missions, and antenna technology and applied electromagnetics.
Papers are invited for presentation at the conferences; the closing date for submission of abstracts is 15 February.
Western Europe at Night
With hardware from the Earth-orbiting International Space Station appearing in the near foreground, a night time European panorama reveals city lights from Belgium and the Netherlands at bottom center. the British Isles partially obscured by solar array panels at left, the North Sea at left center, and Scandinavia at right center beneath the end effector of the Space Station Remote Manipulator System or Canadarm2. This image was taken by the station crew on Jan. 22, 2012. Image Credit: NASA
Watch online: Earth from Space – special edition
Discover more about our planet with the Earth from Space video programme. In this special edition, Professor Volker Liebig, Director of ESA’s Earth Observation Programmes, joins the show to discuss Earth observation for the coming year. Watch online Tuesday at 14:00 CET.
Cloud streets off of the Aleutian Islands
Strong winds polished the snow of southwestern Alaska and stretched marine stratocumulus clouds into long, parallel streets in early January, 2012. After crossing Bristol Bay, the winds scraped the clouds across the tall volcanic peaks of the Aleutian Islands. As the wind impacted the immobile mountains, the airflow became turbulent, swirling in symmetric eddies and carving intricate patterns into the clouds on the leeward side of the islands. At the top of this image, the bright white color indicates a thick layer of snow overlying the land of southwestern Alaska. The pristine white is broken by the rugged Ahklun Mountain Range in the east, which is partially covered by a bank of clouds. Off the coast of Alaska, sea ice floats in Bristol Bay, cracked and chipped by the flow of the waters which lie underneath. A few cloud streets ? parallel lines of clouds ? can be seen in the far northwest over land. The clouds increase over the sea ice and become thick over open water, where row upon row of clouds lie close in perfectly parallel formation. The Aleutian Islands stretch from northeast to southwest across the image. Sea ice, which is bright white here, lies on the windward side of the islands. A few of the tallest volcanic peaks can be seen rising from the icy islands. The character of the cloud streets change as they impact the Aleutians, especially near the center of the image, where two rows of beautifully symmetric swirls of eddies in the clouds stretch across the sky. These swirling formations are known as von Karman vortex streets. This true-color image was captured by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA?s Terra satellite on January 11, 2012. Image Credit: NASA/GSFC/Jeff Schmaltz/MODIS Land Rapid Response Team
NASA’s J-2X Engine Kicks Off 2012 With Powerpack Testing
A new series of tests on the engine that will help carry humans to deep space will begin next week at NASA?s Stennis Space Center in southern Mississippi. The tests on the J-2X engine bring NASA one step closer to the first human-rated liquid oxygen and liquid hydrogen rocket engine to be developed in 40 years.
NASA Day of Remembrance Wreath Laying Ceremony
NASA Administrator Charles Bolden, NASA personnel, and others, participate in a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 26, 2012, at Arlington National Cemetery. Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: NASA/Bill Ingalls
Alexander Kumar, the next ESA-sponsored crewmember to stay in Concordia, has arrived safely at the research base in Antarctica. The voyage to one of the remotest places on Earth takes even longer than the voyage to the International Space Station.