Apr 18, 2017
Predicted in the 1930s and discovered in the 1960s by X-ray and radio astronomers, neutron stars are now known to be the typical result of the evolution of a massive star. There should be nearly of a billion of them in our galaxy alone. Neutron stars have roughly ten km radii and can spin six hundred times in a second. They can also have magnetic fields over a million billion times stronger than the Earth’s magnetic field. A small fraction of these neutron stars create bright radio emission and they can be observed as periodic radio pulses and are called radio pulsars. Radio pulsars have turned out to be superb cosmic laboratories and to provide tools to explore gravity and its radiation.
Welcome to the San Francisco Amateur Astronomers! We are here to help you get the most out of amateur astronomy. You’ll find our club has something fun and interesting for you to do whether you are a beginner or an experienced amateur. Our members are all Bay Area enthusiasts who love the varied aspects of our hobby – public outreach, star viewing trips, scientific lectures, telescope making clinics as well as private members-only dark sky viewing nights and more. The SFAA has been operating since 1952 and proudly continues a long tradition of helping promote the appreciation of the wonders of the night sky within our Bay Area community.
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