Our guest speaker is Dr Gordon MacAlpine, and the title of his presentation is “Earth’s Climate Past, Present, and Back to the Future”

This public talk, supplemented with visual aids, is intended for a general audience.  We will examine changing climatic conditions on Earth, from its origin just over 4.5 billion years ago to the present.

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Our guest speaker is Mike Roos, from Fort Collins, and the title of his presentation is “Messier Marathon in slides”.

During the late 1700’s, Charles Messier, a French astronomer and comet hunter, made a list of objects that are NOT comets, so that he wouldn’t have to repeatedly deal with them during his comet hunts. 

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Our speaker for this evening will be Dr John Spencer from the Southwest Research Institute in Boulder and the title of his talk will be “NASA’s New Horizons Mission to Pluto and beyond”.

On July 14th 2015, NASA’s New Horizons spacecraft made the first-ever encounter with the dwarf planet Pluto,

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Our guest speaker is Dr Gordon MacAlpine, and the title of his presentation is “Cosmology with Quasars: Dinosaurs of the Universe”.

This will be a public talk and PowerPoint presentation suitable for all ages.  Dr MacAlpine will discuss what quasars are, how they were discovered,

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