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ATV Jules Verne demonstrates key capabilities

29 March 2008 - ESA's Jules Verne ATV (the first european cargo spaceship) today demonstrated its ability to navigate safely from a point 39 km behind the ISS to a stand-off point just 3.5 km away using relative GPS navigation. The vessel then executed an Escape manoeuvre commanded from the ATV Control Centre in which the craft flew off to a safe distance.

Today’s demonstration also confirmed Jules Verne is able to establish a continuous two-way data link with the ISS. Using the high-rate S-band communication link, which was switched on at a distance of 40 km from the ISS, Jules Verne for the first time conducted relative GPS (Global Positioning Satellite) measurements with the Station. Relative GPS is a navigation technique executed by computers between the ATV's GPS receiver and the ISS GPS receiver that enables ATV to navigate relative to the Station with very high accuracy.

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Cassini Spacecraft Finds Ocean May Exist Beneath Titan's Crust

March 20, 2008 - NASA's Cassini spacecraft has discovered evidence that points to the existence of an underground ocean of water and ammonia on Saturn's moon Titan.

"With its organic dunes, lakes, channels and mountains, Titan has one of the most varied, active and Earth-like surfaces in the solar system," said Ralph Lorenz, Cassini radar scientist at the Johns Hopkins Applied Physics Laboratory, "Now we see changes in the way Titan rotates, giving us a window into Titan's interior beneath the surface."

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The Space Quote - Dinosaurs

" The dinosaurs failed to survive due to the lack of a space program... "

Arthur C. CLARKE - Writer and inventor, author of 2001 : A Space Odyssey.

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