Science

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Dr. Sierra Solter-Hunt's new study draws on new estimates that Musk's SpaceX is burning up over 2,755 lbs (1.3 tons) of wireless internet satellite debris into Earth's atmosphere every hour — creating a metal layer of 'conductive particulate' in orbit.

Multiple scientists weighed in writing letters to the agency to voice their concerns, including Canadian astronomer and planetary science professor Dr. Samantha Lawler and Dr. Meredith Rawls, a researcher in the Vera C. Rubin Observatory.

'When I heard Dr. Lawler [...] speak about how no one knew what could happen when satellite re-entries start to create debris regularly,' Dr. Solter-Hunt told DailyMail.com, 'I wanted to look into it further as a part of my PhD in plasma physics.'

From Durham University in the UK, researcher Fionagh Thompson told Live Science that Dr. Solter-Hunt's estimates for the number of future satellites 'seems exaggerated,' as companies' ambitious launch schedules tend to be overhyped.

One magnetosphere expert and planetary scientist at the University of Rochester in New York, Dr. John Tarduno, criticized specifically the new paper's hypothesis that the density of metallic debris might get so thick that it cuts off Earth from its Van Allen Belts like a magnetic shield.

Dr. Lawler, the astronomer at the University of Regina in Canada who inspired her investigations, called the new study 'a really important first step' that draw needed attention to the 'terrifying' quantity of spacecraft dust building up in Earth's atmosphere.

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