Our night #sky is getting ruined.

Citizen scientists report global rapid reductions in the visibility of #stars from 2011 to 2022.

Artificial lighting that escapes into the sky causes it to glow, preventing humans and animals from seeing the stars.

Trends in the data showed that the average night sky got brighter by 9.6% per year from 2011 to 2022, which is equivalent to doubling the sky brightness every 8 years.

#astronomy #astrophotography #lightpollution
science.org/doi/10.1126/scienc

Have LED lights reduced #LightPollution, or have things gotten worse because of blue light emissions? We have the answer, and it's not good news...

#Tootorial 🧵 below, full methodology and results new in @sciencemagazine
: science.org/doi/10.1126/scienc #ScienceResearch
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