Traveling the Solar System with Pulsar Navigation - by uastronomer
“We can use star trackers to determine the direction a spacecraft is pointing, but to learn the precise location of the spacecraft, we rely on radio signals sent between the spacecraft and the Earth, which can take a lot of time and requires use of oversubscribed infrastructure, like NASA’s Deep Space Network,” said Zach Putnam, professor in the Department of Aerospace Engineering at Illinois.
ESO astronomer Jean-Baptiste Le Bouquin demonstrates how wavefronts interact, with nodes of constructive and destructive interference. This image was taken by Max Alexander. Copyright ESO/M. Alexander,Putnam and his team have found a way to detect and process pulsar signals more efficiently. This lets a space craft use a small antenna and simple receiver to detect the X-ray emissions of multiple pulsars.
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