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A timelapse image of the night sky creates a ring-like array of stars around a central point, the North Star. Beneath it, the telescope faces up, its dome open to the sky.
The night sky above the McDonald Observatory’s Hobby-Eberly Telescope in western Texas. Since 2021, citizen scientists have searched for galaxies in the telescope’s images.
Credit: McEthan Tweedie Photography

To Hunt for Dark Energy, Swipe Left or Swipe Right

A citizen science initiative called Dark Energy Explorers has recruited 17,000 people to identify galaxies in telescope images.
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