Satellites and spacecraft burning up in our atmosphere are leaving metal particles in the stratosphere — and scientists are worried it could harm our planet. Stratospheric particles can shape the ozone layerRemember the ozone layer? AdvertisementThat, in turn, can spark a chain reaction that creates rainbow-colored polar stratospheric clouds. Polar stratospheric clouds (PSCs) are seen in the sky over Jukkasjarvi, northern Sweden, on December 17, 2023 in Jukkasjarvi, Sweden. "There's an increasing number of rocket launches for small satellites and tourism, which burn kerosene or other fuels that emissions in the atmosphere.

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Persons: Daniel Murphy, that's, Roy Rochlin, Murphy, Thomas Parent, Chelsea Thompson, Martin Chipperfield, Chipperfield, It's Organizations: Service, Business, National Oceanic, Administration Chemical Science, NASA, WB, NOAA, University of Leeds Locations: Montreal, Tonga, Sweden, Jukkasjarvi, Alaska, UK