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Astro Bob

Travel Far, See New Stars

20 May 2019, 20:19 UTC
Travel Far, See New Stars Stellarium

When you travel east or west of your home it only affects the rising time of the stars. If you live in Iowa and fly to Baltimore the stars rise an hour earlier. It gets dark there an hour sooner. Fly to Utah, and it gets dark an hour later. Otherwise observers in both places see the identical stars. But if you travel north or south of your home, which stars you see changes. Even driving 1o0 miles (160 km) makes a difference but too subtle for most of us to notice.

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