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Next Meeting

RASC September Meeting

Friday, September 16th 2016

7:30 p.m. to 9:30 p.m.

Main Presentation:

A Matter of Some Gravity by Dr. Roy Bishop

One hundred years ago, Albert Einstein presented his General Theory of Relativity (GTR), a description of gravitation that replaced Newton's theory of 1687. The GTR is the foundation of modern cosmology, the study of the nature and structure of the Universe. Besides giving a revolutionary insight into the nature of gravity, and being essential for GPS navigation, the GTR predicts the existence of gravitational waves. Almost 40 years ago indirect evidence for gravitational waves was found in the orbital decay of a binary pulsar. About the same time, apparatus to possibly detect gravitational waves directly began to be built. These detectors have become increasingly more sensitive as designs and technology have advanced. Success occurred late last summer. After traveling for more than a billion years, on 2015 September 14 at 06:50:45 ADT a burst of gravitational waves passed through Earth. You did not feel them but two detectors in the USA did, opening a new branch of astronomy. That discovery was announced this year, on February 11. As the Canadian reporter Ivan Semeniuk put it: "After countless generations of living in silence on the shores of a vast and restless cosmic ocean, the human species can finally hear the surf."

As in the past, we will be treated to a number of recent images our members have taken, as well as announcements.

Following the meeting will refreshments and social time.

Room AT101, Atrium Building, St. Mary's University(Map)

Dates of future meetings are:

Friday, October 21, 2016

Friday, Novembr 18, 2016

Friday, December 9, 2016

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About Monthly Meetings

Regular meetings open to everyone. Note that we have recently changed meeting rooms! They are held at Saint Mary's University in Room AT101 (Atrium Building). Meetings are held monthly (except July and August) beginning at 7:30 PM, normally on the third Friday.

A typical meeting consists of one or more feature talks. The main talks cover a variety of topics ranging from astronomical stamps to the latest advances in the space sciences. Shorter talks also cover a variety of topics such as: "what's up in the current sky", the latest astrophotographs by club members, or the unveiling of a new telescope.

Observing Night at Saint Croix Observatory

Members may be found observing at the Saint Croix Observatory on almost every clear, dark night. Once a month, we encourage members and their guests to congregate at SCO, at which time new members are particularly welcome. Upcoming Observing Nights are:

Upcoming Observing Nights

(weather permitting, alternate is following evening)

Members are advised to sign up to the email discussion list to keep up to date on gatherings of fellow observers. For more information, contact the Observing Chair, Tony McGrath.

Library Talks

For Jan-Feb 2015, see Astronomy Nova Scotia.