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astro-ph.IM2025★ 2 cited
Spectroscopic study of the light-polluted night sky in Hong Kong
Chu Wing So, Chun Shing Jason Pun, Shengjie Liu
Spectroscopic study of the night sky has been a common way to assess the impacts of artificial light at night at remote astronomical observatories. However, the spectroscopic prope…
astro-ph.IM2025★ 8 cited
Natural experiments from Earth Hour reveal urban night sky being drastically lit up by few decorative buildings
Chu Wing So, Chun Shing Jason Pun, Shengjie Liu +4
Light pollution, a typically underrecognized environmental issue, has gained attention in recent years. While controlling light pollution requires sustained efforts, Earth Hour off…