Lynn van Rooijen

@lynnvr

Astronomy, astrophotos, exoplanets. Chair KNVWS 't Gooi, NASA/JPL Solar System Ambassador (opinions my own), STS-135 #NASAtweetup, #Spacetweetup #SocialSpace

Here's a sobering animated gif showing light pollution growth 1992 - 2010 Credit: NGDC/DMSP/ESA See http://www.esa.int/esaHS/SEMV04HY50H_index_0.html

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1758 days ago

Here's a sobering animated gif showing light pollution growth 1992 - 2010 Credit: NGDC/DMSP/ESA See http://www.esa.int/esaHS/SEMV04HY50H_index_0.html

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