The Northern Colorado Astronomical Society is a non-profit organization dedicated to promoting the science of astronomy and to encourage and coordinate activities of amateur astronomers.

Download the Current Issue of the “Objective View” Newsletter: September 2016

October 6th, 2016 Featured Speakers: Irene & Steve Little

Making the Earth Ripple: Black Holes and Gravitational Waves

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Speaker Bios: Dr. Stephen Little has a PhD from UCLA in Astronomy and Dr. Irene Little has a PhD from Indiana University in Astrophysics.  They have both taught astronomy in several colleges and universities and done research primarily in Red Giant stars and their surrounding envelopes.  They are both retired and enjoy giving presentations about astronomy.

Talk Abstract: Einstein's relativity theory predicted both the existence of black holes and gravitational waves.  At the time both were thought to never be observable.  The discovery of actual black holes began in the 1960's and BH's are now known in many places in our universe.  Detection of gravitational waves requires extreme precision of measurement, and only in the last year has it been possible to measure these slight ripples in space-time.  We will discuss the method by which these waves have been (finally, after 20 years of effort) detected twice in the past year.  Also we will include a brief discussion of black holes, since the events producing gravitational waves involve merging black holes.

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