Geography, 30.09.2019 05:00 fejwfwk1289

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1) how can you calculate 30 degrees using your hands?
2) estimate the angular distance between sirius (in canus major) and polaris, the star making the end of the handle of the little dipper (ursa minor)
3) estimate the angular distance across the constellation orion from the top-left star, betelgeuse, to the bottom-right star, rigel
4) estimate the angular distance from the pleiades to betelgeuse

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Need asap!
1) how can you calculate 30 degrees using your hands?
2) estimate the angu...