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NASA's Juno Mission to Jupiter

presented by Prof. Alan Calder, Stony Brook University

6:00 PM Friday, November 1, 2019
Montauk Library
871 Montauk Highway, Montauk, NY 11954


NASA's Juno spacecraft was launched on August 5, 2011, and arrived at Jupiter on July 4, 2016. Named after the “cloud piercing” wife of Jupiter, its mission is to investigate the atmosphere of Jupiter to measure the composition, particularly the amount of water, and to observe Jupiter's magnetic and gravitational fields. The information gained from Juno will help us better understand the origin and evolution of Jupiter, which will also help us understand the formation of giant planets. The discussion will include the layout of the solar system, theories of planet formation, our current knowledge of Jupiter, questions the Juno mission strives to answer and the latest results.

Alan Calder, Ph.D., joined Stony Brook University's Physics and Astronomy Department in 2007 after research appointments at the University of Illinois and the University of Chicago. His research is in numerically modeling astrophysical phenomena, and he has studied a variety of problems including core collapse and thermonuclear supernovae, merging neutron stars, and classical novae.

COST: This event is FREE.

REGISTRATION: Call the library: 631-668-3377


Montauk Observatory would like to thank Professor Calder for taking the time to share his expertise, and Montauk Library for collaborating on and hosting this event.

Montauk Observatory (MO, soon to be known as Hamptons Observatory), is a 501(c)(3) NYS nonprofit that relies on public support has served the South Fork since 2005. Its mission: to foster interest in science, particularly astronomy, through educational programs. Lectures, star parties, portable planetarium shows and other events are held throughout the South Fork, often in collaboration with other nonprofit organizations that host our events at their facilities. MO has established the first astronomical observatory on the South Fork (on the campus of the Ross School in East Hampton), complete with Long Island's largest research-grade telescope; these facilities will soon be accessible over the internet to students, teachers, researchers and the general public. Montauk Observatory offers all of its programs free-of-charge to encourage participation regardless of economic status. To make a tax-deductible donation to support our programs (or, for a donation, to arrange a private star party or portable planetarium show), or to join MO's list for event notices, please visit or email

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