Monthly Archives: March 2008

Orbiter’s Designed Three-Year Mission, Begins its 24th Year in Operation March 13 March 2008 The earth imaging satellite Landsat 5 is once again collecting and downlinking land-image data. The satellite was temporarily taken out of service in October 2007 following … Continue reading →

Sandstone rocks are sedimentary rocks made from small grains of the minerals quartz and feldspar. They often form in layers as seen in this picture. They are often used as building stones.

For thousands, even millions of years, little pieces of our earth have been eroded–broken down and worn away by wind and water. These little bits of our earth are washed downstream where they settle to the bottom of the rivers, … Continue reading →

Canberra, Australia (SPX) Feb 25, 2008 – A space-based international Earth observation network to detect and monitor natural disasters in the Asia-Pacific region has been formed with a substantial contribution from Australian science. Called Sentinel Asia, the network of information-delivery … Continue reading →