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Pasadena CA (SPX) Dec 22, 2010 The change of seasons on Earth has been a cause for celebration since time immemorial. Caused by the tilt of Earth's axis relative to its orbital plane around the sun, seasons have profound changes on our weather and climate. When seasons change, nature reacts differently, depending on location. Temperatures change, rain or snow falls, rivers may flood, to name just a few effects. From space, NASA satellites record the change of seasons. Satellite images show large parts of the landscape at one time. They help scientists study regional patterns on Earth. These images also help show bigger changes that may occur over many years. A new slide show, "The Change of Seasons: Views from Space," shows some of the ways seasonal change affects our planet, and invites you to share your own photos of seasonal change where you live.
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Related Links Jet Propulsion Laboratory Earth Observation News - Suppiliers, Technology and Application
TanDEM-X Ready For Routine Operations In 2011Bonn, Germany (SPX) Dec 22, 2010 On 14 December 2010, TanDEM-X passed another important milestone: the radar mission's test phase has concluded in less than six months according to plan, paving the way for routine operations - the collection of elevation data - in 2011. The TanDEM-X mission was developed by the German Aerospace Center in collaboration with Astrium, and is operated from DLR Oberpfaffenhofen. The objective ... read more |
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