Light Pollution ·
losing the night sky
un
seel
.com · skyglow · Rayleigh scatter · Bortle scale
Dark sky
~22 mag/arcsec²
City sky
~18 (25× brighter)
view
—
Milky Way & stars
City skyglow dome
Streetlights (upward spill)
Blue light scatters most
Shielded fix · dark sky returns
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.com · Light Pollution