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Three-dozen astronomers and planetary scientists urge the community to discontinue calling a possible planet beyond Pluto "Planet Nine" out of respect for the legacy of Clyde Tombaugh.

The 25-meter-diameter telescope is expected to have a final weight of about 1,600 metric tons and will comprise seven 8.4-meter mirrors supported by a steel telescope structure.

Community scientists are invited to present science investigations to be specifically conducted with Habitable Exoplanet Observatory instruments. Abstract submissions are due by 7 September 2018.

The science community is invited to play a role in the definition of Large Synoptic Survey Telescope's Observing Strategy by submitting white papers to help refine the main survey. Deadline: 20 November 2018.

The Society is saddened to learn of the passing of member Kenneth M. Flurchick, who died on 2 June 2018. If you would like to write Dr. Flurchick’s obituary, please contact the Vice-Chair of the Historical Astronomy Division.

The Society is saddened to learn of the passing of member Bernard F. Burke, who died on 5 August 2018. If you would like to write Dr. Burke’s obituary, please contact the Vice-Chair of the Historical Astronomy Division.