The sky-measuring trick that every stargazer should know
There’s a no-nonsense technique for navigating between stars and constellations and all it requires is putting your hand in the air, says Abigail Beall Space 23 February 2022 By Abigail Beall Arnaud Lesueur/Alamy THIS week, instead of looking for a particular target, we will try a technique for measuring distances in the sky. Once you … Read more