Are Elon Musk’s ‘megaconstellations’ a blight on the night sky?

This photo was taken by an amateur astronomer in a suburban location in Western Australia. The circular tracks are stars. The much brighter straight tracks are all satellites, except for one track which is a meteor. By Stuart Clark, Published by the Guardian, 12 September 2020 Miniature satellites open up

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U.S. And U.K. Accuse Russia Of In-Orbit Test Of Nesting Doll Anti-Satellite Weapon

By David Hambling, Published by Forbes, 24 July 2020 The American and British governments have criticized Russia for testing "what would appear to be actual in-orbit anti-satellite weaponry" according to Dr. Christopher Ford, the U.S. Assistant Secretary of State. The test involved “nesting doll” or “Matryoshka” satellites stalking an American

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EPA will not regulate perchlorate

Perchlorate, a chemical compound used in rocket fuels (such as the Space Shuttle’s solid propellant seen here during the program’s final launch in 2011) and other materials, may be a more hazardous pollutant than previously thought. Credit: M.E. Newman, Johns Hopkins Medicine, using NASA and public domain images. By Julia

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