光污染

人为的夜空亮度

作者： NASA中文 / 2023年3月8日

2023年3月8日 Artificial Night Sky Brightness Image Credit: Data: JPSS Satellites; Processing: David J. Lorenz Explanation: Where have all the dim stars gone? From many places on the Earth including major cities, the night sky has been reduced from a fascinating display of thousands of stars to a diffus […]

天文·每日一图

乡村与都市夜空的对比

作者： NASA中文 / 2020年4月8日

2020 April 8 Country Sky versus City Sky Image Credit & Copyright: Tomas Slovinsky; Text: Matipon Tangmatitham (NARIT) Explanation: Dark skies are disappearing from the world. With modernization comes artificial lighting that brightens the night. While these lights allow modern humans to see, m