Spacecraft navigation uses x-rays from dead stars - EurekAlert

The remnants of a collapsed neutron star, called a pulsar, are magnetically charged and spinning anywhere from one rotation per second to hundreds of rotations per second. These celestial bodies, each 12 to 15 miles in diameter, generate light in the x-ray wa…

image: Zach Putnam, professor in the Department of Aerospace Engineering, The Grainger College of Engineering, University of Illinois Urbana-Champaignview more  Credit: University of Illinois Urbana… [+3913 chars]

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