Question

Name an method to measure large distance?

Answer 1

Parallax Method is used to measure large distances and works on the principle of parallax basis. Parallax is defined as the apparent displacement of an object when observer's point of view changes. Example: Hold a pencil in your hand.___

Answer 2

Parsecs: Many astronomers prefer to use parsecs (abbreviated pc) tomeasure distance to stars. This is because its definition is closely related to a method of measuring thedistances between stars. A parsec is the distance at which 1 AU subtends and angle of 1 arcsec.