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Tag Archives: NASA
The Space Shuttle launched major satellites that helped revolutionize our study of the Earth. Its on-board experiments provided discoveries and new climatologies never before available…It provided for multiple flight opportunities for highly calibrated instruments to help verify results from satellites.. Continue reading
Whether the cause is human activity or natural variability, one thing is certain. The world is getting warmer.
According to an ongoing temperature analysis conducted by scientists at NASA’s Goddard Institute for Space Studies (GISS), the average global temperature on Earth has increased by about 0.8°Celsius (1.4°Fahrenheit) since 1880. Two-thirds of the warming has occurred since 1975, at a rate of roughly 0.15-0.20°C per decade. Continue reading
NASA’s travel advisory for spacecraft: Watch out for Comet Hartley 2, it is experiencing a significant winter snowstorm.
Comet Snowstorm Engulfs Hartley 2. Credit: Science@NASA
Deep Impact photographed the unexpected tempest when it flew past the nucleus comet Hartley 2, on November 4th at a distance of only 700 km (435 miles). This contrast-enhanced image reveals a cloud of icy particles surrounding the comet’s active nucleus. Continue reading
The sun is waking up from a deep slumber, and in the next few years we expect to see much higher levels of solar activity. At the same time, our technological society has developed an unprecedented sensitivity to solar storms Continue reading
NASA’s Solar Dynamics Observatory (SDO) is beaming back stunning new images of the sun, revealing our own star as never seen before. Even veteran solar physicists say they are amazed by the data. Continue reading
Like a winter-bare tree viewed against a cloudy sky, a network of roots, or the veins, arteries, and capillaries that enclose an organ, the Yukon River branches across the snowy Yukon Delta to the Bering Sea. The main branches of the river are bright white, the surface frozen and probably covered in snow. Continue reading
According to NASA’s Goddard Institute for Space Studies, November 2009 was the warmest November on record, beating the 2001 record by 0.02°C. Continue reading
WISE, stands for Widefield Infrared Survey Explorer, is a NASA spacecraft that will circle Earth over the poles, carrying an infrared telescope which will scan the entire sky one-and-a-half times in nine months. WISE will measure more than 100,000 asteroids in the solar system, and identify stars in the solar neighbourhood that have not yet been seen. Continue reading
Short for Stratospheric Observatory for Infrared Astronomy, SOFIA will change the way we view the universe. The 17-ton and 9-foot wide telescope is situated into a Boeing 747 which is going to glide through the stratosphere at 45,000 feet, when the operations begin next year. Continue reading
Astronaut Robert Satcher uses a digital still camera to expose take a self-portrait during the STS-129 mission’s first spacewalk. During the six-hour, 37-minute spacewalk, Satcher and astronaut Mike Foreman installed a spare S-band antenna structural assembly to the Z1 segment of the station’s truss, or backbone. Continue reading