Captured by astronaut Don Pettit aboard the International Space Station (ISS), this long-exposure photograph showcases Earth’s city lights, the upper atmosphere’s airglow, and streaked stars. The bright flashes at the center are reflections of sunlight from SpaceX’s Starlink satellites in low-Earth orbit.
Image credit: NASA

The consequences of more and more “megaconstellations” of satellites being shoved into Earth orbit also gives rise to what are the chances of being conked in the head by the in-coming remnants of those spacecraft?

“What happens if the minimum lethal amount of debris from each satellite does not burn up and reaches the ground intact?”

A new study by a team of Canadian researchers looks into the fiery re-entry into Earth’s atmosphere of eleven megaconstellations. What are the charred, declarative results?

They find that there’s a 40% collective risk of on-ground casualties if satellites do not burn up entirely.

For more details, go to my new Space.com story – “Satellite megaconstellations continue to grow. Could their debris fall on us?”

https://www.space.com/space-exploration/satellites/satellite-megaconstellations-continue-to-grow-could-their-debris-fall-on-us

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