“Approaching, orbiting, and landing on a comet require delicate and very accurate maneuvers.
The target comet is a relatively small object about 4 kilometers in diameter, moving at speeds as great as 55,000 kilometers per hour. To help make any of this possible, what we have done in layman’s terms, is create a ‘smart phone’ for interplanetary communication, command and control that gave the European Space Agency the capability to communicate with and control the Rosetta probe.
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