Virgin Group founder Richard Branson launches Virgin Galactic. Terry Caws/Alamy Stock Photo

Space tourism: rockets emit 100 times more CO₂ per passenger than flights – imagine a whole industry

By Eloise Marais, Published by The Conversation, 19 July 2021 The commercial race to get tourists to space is heating up between Virgin Group founder Sir Richard Branson and former Amazon CEO Jeff Bezos. On Sunday 11 July, Branson ascended 80 km to reach the edge of space in his

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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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