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13:15 - 13:55 27 October 2011
Lunch Hour Lecture: Photons, spacecraft, atomic clocks and Einstein – fundamental physics in the space environment
Darwin Lecture Theatre - accessed vial Malet Place |
access via Malet Place | London | WC1E 6BT | United Kingdom
Admission: Free and open to anyone on a first-come first-served basis. Lectures are also streamed live online or can be downloaded after the event.
Professor Marek Ziebart, UCL Space Geodesy and Navigation, ,
Satellites designed, built and launched by humans orbit the earth to carry out a myriad of tasks, friendly and hostile, commercial and scientific. Many of these missions supply critical data to model, mitigate and predict planet-scale processes such as El Nino events, sea level rise, plate tectonics and the earthquake cycle. Spacecraft move at 4 - 8 kilometres per second, and are between 500 and 20,000 km above the earth’s surface but for scientific purposes we need to know where they are to within a few centimetres, and we need to know the time they transmit their signals at the nano-second level. This lecture explains how this is achieved using concepts from fundamental physics.
020 3108 3840 | firstname.lastname@example.org
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