๐Ÿš€ Physics

What is the parallax formula and how is it used to calculate the distance between two stars?

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James VardiniI have recently graduated from Imperial College London with an Upper Second Class degree in Biochemistry17.5k students helped

Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.