International Dark Sky Week

International Dark Sky Week
StatusActive
GenreAstronomy-related events and competitions
FrequencyWeek of the new moon in April
Location(s)Worldwide
Inaugurated2003
FounderJennifer Barlow
Next eventApril 2025
Websitehttps://www.darksky.org
Composite image of worldwide light pollution at night

International Dark Sky Week (formerly the National Dark Sky Week) is held during the week of the new moon in April,[1][2] when people worldwide may turn off their lights to observe the beauty of the night sky without light pollution. This event was founded in 2003 by high school student Jennifer Barlow of Midlothian, Virginia.[3] It has been endorsed by the International Dark-Sky Association, the American Astronomical Society, the Astronomical League, and Sky & Telescope.[4]

  1. ^ "Home".
  2. ^ "What Is National Dark Sky Week?". Wise Geek. Conjecture Corporation. Retrieved 25 December 2013.
  3. ^ "Jennifer Barlow: Dark-sky Devotee". Sky & Telescope. 19 July 2006. Retrieved 2015-12-06.
  4. ^ Bobra, Monica. "Jennifer Barlow: Dark-sky Devotee". Sky & Telescope. Sky Publishing of New Track Media. Archived from the original on 2013-12-27. Retrieved 2009-04-14.