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You can approximate angular separation between the horizon, stars, planets, moons, etc. by stretching out your hand.  This works for adults and children because our arms and hands grow pretty much proportionaly.<br/>Reporter: Tony Rice

You can approximate angular separation between the horizon, stars, planets, moons, etc. by stretching out your hand. This works for adults and children because our arms and hands grow pretty much proportionaly.
Reporter: Tony Rice