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The Astronomical Society of the Pacific is an international non-profit scientific and educational organization,
founded in 1889, that works to increase understanding and appreciation of astronomy.
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Mercury Online

Space News & Opinion

A problem in the Hubble Space Telescope's Power Control Unit or a secondary circuit led to the iconic telescope's shutdown last month.

A new study suggests Betelgeuse's "great dimming" was the result of an enormous dust cloud shrouding roughly one quarter of the star’s surface.

ASP News

On the Inside

Bring astronomy to communities across the globe

Hosted by the Astronomical Society of the Pacific with Astronomers for Planet Earth, ASP2021 virtual Summer Symposium is July 23 for a day of plenaries and workshops explore how to harness the astronomical perspective as we fight to protect our planet.

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