Light Pollution From Satellites

Illustration of streaks of light from satellites across the night sky

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Illustration of streaks of light from satellites across the night sky

The increase in proliferated low Earth orbit (pLEO) constellations set to launch over the next decade has fueled concern from the astronomy community, academia, and the general public over the light pollution visible in the night sky created by sunlight reflecting off these satellites. The overall impact of pLEO light pollution on astronomical observational equipment and research is still largely under-studied and unregulated.

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Generic space picture with dotted world globe