A composite image of the sky visible over Hawaii made over four years from a half-million exposures by the Pan-Starrs1 Observatory.
Credit: Danny Farrow, Pan-Starrs1 Science Consortium and Max Planck Institute for Extraterrestrial Physics
On the summit of Haleakala, a dormant volcano on the island of Maui in Hawaii, a telescope began clicking pictures of the night sky in 2010.
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