Which one of the following is a reason why astronomical dist

Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

Coming Soon

M: +2.00/-0.67

Which one of the following is a reason why astronomical distances are measured in light-years?

[UPSC IAS PRELIMS 2021]

Distances among stellar bodies do not change.

Gravity of stellar bodies does not change

Light always travels in straight line

Speed of light is always same.

The only thing considered as absolute in this universe as per Einstein is t...

View Full Explanation