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Astronomy 2021b

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School
Western University
Department
Astronomy
Course
Astronomy 2021A/B
Professor
William Fisher
Semester
Winter

Description
Astronomy Chapter 8  Slide 4: Lowell heard Giovanni Schiaparelli saw “Canals” when he really meant “Channels” and build an observatory with maps of mars – claimed a dying civilization used the canal’s to transport water  Slide 8: Alfred Russell said that it was impossible for canals to run for hundreds of thousands of miles  Slide 19: The earth’s seasons are completely due to axial tilt and nothing to do with distance, but because Mars has a similar axial tilt but a much more elliptical (less circular) orbit – distance matters a lot  Slide 22: The change in mars’ pressure cause extremely strong pole-to-pole winds that cause dust storms  Slide 24: The red colour of mars is because of rust, and the dust that covers it absorbs blue and reflects red, giving its red hue  Slide 38: The phoenix
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