Megaconstellations of satellites are burning up in our atmosphere. That could have consequences
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![There are thousands of satellites and millions of pieces of space debris in orbit around Earth. New studies suggest that more research needs to be done to find out how they may be affecting our atmosphere when they burn up. Earth is encircled my hundreds of tiny objects.](https://i.cbc.ca/1.7239909.1718819391!/fileImage/httpImage/image.jpeg_gen/derivatives/16x9_620/space-debris.jpeg)
SpaceX plans to launch more than 42,000 satellites into orbit, and other companies are looking to add thousands more. Now scientists are calling for more research to the possible consequences — including to our recovering ozone hole — as they burn up in our atmosphere when they're done.