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Topic Area: Atmosphere & Climate

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Release
NASA Satellite Captures First View of 'Night-Shining' Clouds
06.28.07 -- A NASA satellite has captured the first occurrence this summer of mysterious iridescent polar clouds that form 50 miles above Earth's surface.
Release
NASA Research Supports Presence of Large Oceans on Early Mars
06.18.07 -- NASA-funded astrobiologists at the University of California, Berkeley, have discovered evidence supporting the presence of large oceans of liquid water on early Mars' northern pole.
Feature
NASA Mission Checks Health of Greenland's Ice Sheet and Glaciers
05.30.07 -- A NASA-led research team returned from Greenland after an annual three-week mission to check the health of its glaciers and ice sheet. During the project, researchers measured critical areas of the island's ice sheet as well as its glaciers and monitored changes that may be connected to global climate change.
Announcement
NASA Embarks on Cutting-Edge Polar Exploration and Research
05.29.07 -- NASA has selected 33 new scientific investigations to fund that will advance interdisciplinary studies of Earth's polar regions and the objectives of the International Polar Year (IPY). The three-year projects will be conducted by scientists and students at NASA centers, U.S. universities and other research institutions.
Feature
NASA Researcher Finds Days of Snow Melting on the Rise in Greenland
05.29.07 -- In 2006, Greenland experienced more days of melting snow and at higher altitudes than average over the past 18 years, according to a new NASA-funded project using satellite observations.
Feature
NASA Finds Vast Regions of West Antarctica Melted in Recent Past
05.15.07 -- A team of NASA and university scientists has found clear evidence that extensive areas of snow melted in west Antarctica in January 2005 in response to warm temperatures. This was the first widespread Antarctic melting ever detected with NASA's QuikSCAT satellite and the most significant melt observed using satellites.
Multimedia
Glacial Retreat
05.15.07 -- Perhaps the most visible sign that Earth's climate is warming is the gradual shrinking of its glaciers. In the past 125 years, the Athabasca Glacier, the most visited glacier in North America, has lost half of its volume and receded more than 1.5 kilometers.
Release
NASA's AIM Mission Soars to the Edge of Space
04.25.07 -- NASA's Aeronomy of Ice in the Mesosphere (AIM) spacecraft, the first mission dedicated to the exploration of mysterious ice clouds that dot the edge of space in Earth's polar regions, successfully launched from Vandenberg Air Force Base, Calif., on April 25.
Feature
Satellites Offer Sunny Outlook on Understanding Polar Climate, with Help of Cloudy Skies
04.24.07 -- A team of researchers recently completed a field campaign in Canada to confirm what NASA satellites are telling us about how changes in clouds can affect climate in the coldest regions on Earth.
Lesson
International Polar Year Related Lesson Plans
04.18.07 -- MY NASA DATA (Mentoring and inquirY using NASA Data on Atmospheric and earth science for Teachers and Amateurs) features lesson plans with ideas for IPY-related studies. More IPY-related lessons and ideas are welcome.

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