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Star Trails and the Bracewell Radio Sundial
Sundials use the location of a shadow to measure the Earth’s rotation and indicate the time of day. So it’s fitting that this sundial, at the Very Large Array Radio […]
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ESA space history on Twitter
https://mobile.twitter.com/esa/status/1017527988185952258
Astronomy Picture Of The Day on Twitter
https://mobile.twitter.com/esa/status/1017522862838702080
ESA Science on Twitter
https://mobile.twitter.com/esa/status/1017454987373408261
NASA’s Fermi Traces Source of Cosmic Neutrino to Monster Black Hole
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ESA on Twitter
https://mobile.twitter.com/esa/status/1017438582548713479
ESA Science on Twitter
https://mobile.twitter.com/esa/status/1017433437517565957