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04 March 2010
On 13 March 2008, the International Space Station (ISS) passed across the field-of-view of Germany's remote sensing satellite, TerraSAR-X, at a distance of 195 kilometres (122 miles) and at a relative speed of 34,540 kilometres per hour (over 22,000 mph). The encounter lasted for about three seconds, but this brief moment was long enough for the synthetic aperture radar on TerraSAR-X to acquire an image of the ISS, a structure measuring about 110 metres by 100 metres by 30 metres. |
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23 February 2010
Looking like a needle of ice and snow, iceberg B-15K was caught in the act by the German Aerospace Center's (Deutsches Zentrum für Luft- und Raumfahrt; DLR) TerraSAR-X satellite as it collided with an ice shelf in Atka Bay, Antarctica. Scientists had long been observing as the 54-kilometre long and 5-kilometre wide iceberg was driven around Antarctica by ocean currents. Then, on 11 February 2010, it crashed into the edge of the ice shelf in Atka Bay.
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11 February 2010
Ten years ago, on 11 February 2000, the Shuttle Radar Topography Mission (SRTM) carried out an important 'mission to planet Earth': Space Shuttle Endeavour circled Earth with radar sensors developed in USA, Germany and Italy - capturing almost the entire planet's surface in 3D. On board was German astronaut Gerhard Thiele, who was penning a diary exclusively for the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR). We are marking the tenth anniversary with a video showing the mission highlights, and by republishing Gerhard Thiele's day-by-day record record under the title 'SRTM+10'; the 'astro-log' is available only in German. |
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02 February 2010
The image shows movements in the Earth's crust caused by the earthquake in Haiti on 12 January 2010. The colour scale shows the extent of the displacements, from green for small displacements to deep red for movements of two metres. The red-coloured area was displaced by about 80 centimetres during the earthquake, in the direction of the oblique radar view. |
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11 January 2010
There are isolated weather events that prevent even TerraSAR-X from obtaining a clear view of the surface of Earth. This TerraSAR-X image shows a thunderstorm cell with exceptionally strong rainfall off the Caribbean coast of Panama, visible at the top of the image as a blurred area. |
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