How do you calculate the distance between stars and the earth?

1 Answer
chandramohanPanakkal
Mar 12, 2016

For near by stars a method called parallax is used.

Explanation:

For far away stars Cepheid variables are used as standard candles and distance calculatedenter image source here .
picture credit windows 2u.
Earth travels 300 million kilometers in one year and this is taken as base.
Angle is known the distance can be calculated by trigonometry
The cephid variables have a PROPERTY ITS PERIOD OF PULSATION AND LUMINOSITY HAVE RELATION tTHIS IS USED AS STANDARD CANDLE AND WE CAN CA;CALCULATE THE DISTANCE BY LAW OF RADIATION..

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