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International Dark Sky Week 2020 starts Sunday — here's how to celebrate online

Astrophotographer Miguel Claro took the image from São Miguel Island in the Azores on April 5, 2014.
Astrophotographer Miguel Claro took the image from São Miguel Island in the Azores on April 5, 2014. (Image credit: Miguel Claro/<a href="http://www.miguelclaro.com">www.miguelclaro.com</a>)

Celebrate International Dark Sky Week from anywhere, with sessions streaming online starting Sunday (April 19).

The International Dark-Sky Association (IDA)'s annual event will be held between April 19 and 26. The full schedule is available here (opens in new tab)

Presentations will be available for free online on both YouTube (opens in new tab) and Facebook (opens in new tab). You can also discuss on social media using the hashtags #lookuptogether and #IDSW2020. 

Related: The brightest planets in April's night sky: How to see them (and when)

Some of the highlights from this year's IDA sessions include presentations spanning millennia of human interactions with the sky, including cultures from New Zealand to Guatemala and technologies from navigation to photography. Many of the talks are appropriate and exciting for both adults and children.

"Right now, families around the globe find themselves spending many hours at home together," Ruskin Hartley, IDA's executive director, said in a statement. "It's a perfect time to reconnect with the night sky — and International Dark-Sky Week provides a portal for that experience."

The IDA is a nonprofit organization dedicated to preserving and protecting the sky and the nighttime environment, especially by encouraging the use of outdoor lighting that does not scatter into the sky. This Space.com story from 2018 shows how you can reduce light pollution.

You can follow updates for International Dark Sky Week on the official website (opens in new tab)

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Elizabeth Howell, Ph.D., is a contributing writer for Space.com (opens in new tab) since 2012. As a proud Trekkie and Canadian, she tackles topics like spaceflight, diversity, science fiction, astronomy and gaming to help others explore the universe. Elizabeth's on-site reporting includes two human spaceflight launches from Kazakhstan, and embedded reporting from a simulated Mars mission in Utah. She holds a Ph.D. and M.Sc (opens in new tab). in Space Studies from the University of North Dakota, and a Bachelor of Journalism from Canada's Carleton University. Her latest book, NASA Leadership Moments, is co-written with astronaut Dave Williams. Elizabeth first got interested in space after watching the movie Apollo 13 in 1996, and still wants to be an astronaut someday.