Question

Need ASAP!
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

Answer 1

How to measure degrees with your hand?

Clench your fist at arms length, and hold it with the back of your hand facing you. The width is 10 degrees. Hold your three middle fingers together; they span about 5 degrees. The width of your little finger at arm's length is 1.