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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

The Autumn 2020 issue of Mercury (Vol. 49 no. 4) is available to members, featuring the first five years of gravitational-wave detections, future observatories designed to catch more of these ripples in space time, ancient Egyptian astronomy, and more!

The smooth findings, ironically enough, may point to cracks in the theory of cosmic expansion

ASP News

On the Inside

Starting January 2021, the Publications of the Astronomical Society of the Pacific (PASP) will be going 100% digital. IOP Publishing and the ASP made this decision to be both economically and environmentally responsible. The last printed issue will be December 2020.

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