The atmospheric reentry process generates extreme heat and mechanical loads, which lead to the satellite's disintegration at the altitude of about 45 miles. (Image credit: ESA)

Air pollution from reentering megaconstellation satellites could cause ozone hole 2.0

By Tereza Pultarova, Published by Space.com, 7 June 2021 When defunct satellites burn in the atmosphere, they leave behind chemicals that could damage the ozone layer and affect how much light Earth absorbs. Chemicals released as defunct satellites burn in the atmosphere could damage Earth’s protective ozone layer if plans

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DARPA Nuke Sat To Target Cislunar Monitoring Mission

By Theresa Hitchens, Published by Breaking Defense, 19 April 2021 WASHINGTON: DARPA’s effort to develop nuclear ‘engines’ for far-roving satellites also hopes to demonstrate the capability to keep “timely” tabs on spacecraft operating near the Moon, says program manager Maj. Nathan Greiner. While cislunar surveillance doesn’t require nuclear-propulsion, such a

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