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Parks after Dark: How Do We Know That?
We often hear scientists talk about stars and other celestial bodies with a puzzling level of familiarity - how do we know how hot they are if we can never measure it directly over the vastness of space? How do we know what they're made of, and how much they weigh? How did we discover how far away they are? How can we know so much about these objects when we have never touched them directly?

Join a Park Interpreter and special guests from the Royal Astronomical Society of Canada for this look at how scientists can figure out a tremendous amount of information based on the only thing we can get from these objects - the light they emit.

Jan 23, 2021 06:30 PM in Winnipeg

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Speakers

Gord Tulloch
@Royal Astronomical Society of Canada
Gord Tulloch first joined RASC in 1985 to meet up with other users of astronomy software for his Apple II so he could computerize his telescope he built with his Dad when he was 16. Since then Gord has enjoyed a number of telescope making projects, as well as being a very active member of the Centre in the 90s and early 00s. He enjoys writing articles on Amateur Telescope Making (ATM) featuring his experiences in mirror-making and presenting on such topics as using robotic telescopes, the 200" Hale Telescope, and building observatories as well spectroscopy and photometry. Gord built a runoff roof shed observatory in his back yard in 2002, housing a completely robotic 8" telescope and recently completed a portable 16" telescope. Gord and his wife Marie returned to Astronomy after a long hiatus as busy parents to their two sons, Liam (19) and Aidan (16).