light pollution - Catabatic

Another reason to point lights down

Apr 29, 2023 1 min read

‘Skyward light, wayward light’, this blog, December 14, 2022: One of the simplest ways [to prevent light pollution] is in fact to have no public lighting installation that casts light upward, into th…

Skyward light, wayward light

Dec 14, 2022 3 min read

Analysis astro-tourism colour temperature dark-sky reserve Dorje Angchuk Hanle Indian Institute of Astrophysics International Dark Sky Association light pollution noise pollution unshielded light

This is welcome news: … even if it's curious that three of the four officially stated reasons for designating this 'dark sky reserve' aren't directly related to the telescopes, and…

On the International Day of Light, remembering darkness

May 16, 2021 5 min read

Culture Scicomm Science astronomical twilight atmospheric pollution darkness ecological commons geological commons Indian Astronomical Observatory International Day of Light light pollution night sky night sky commons Project Kuiper SpaceX Starlink

Today is the International Day of Light. According to a UNESCO note: The International Day of Light is celebrated on 16 May each year, the anniversary of the first successful operation of the laser i…