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July 12, 2017
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Today’s journey will mark one bookend of the Arizona portion of this trip – that is, it’s the last day of sightseeing before I return to Tucson for the flight home. Today we’ll traverse about 350 miles, first east then …
July 10, 2017
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Taking it easy. Believe it or not, I’d accomplished two (visiting Walnut Canyon and Lowell Observatory) of the three main items on today’s to do list and it was barely 13:00. I took an easy drive down Mars Hill Road …
July 10, 2017
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At the end of the previous post, before my brief explanation of the Doppler effect, we left Vespo Slipher pondering the implications of his observations that the Sombrero nebula was moving away from the Milky Way while Andromeda was moving …