GENERAL KNOWLEDGE

GK

THE UNIVERSE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which stars have the greatest red shift?
A
Stars closest to Earth where we can see them better.
B
Stars nearest the Sun where light is more plentiful.
C
Stars farthest from Earth with the greatest speed.
D
Stars in the nearest galaxy that are spinning.
Explanation: 

Detailed explanation-1: -And here’s the relation between distance and redshift: the further away a galaxy is, the longer its light takes to reach us. A longer light travel time means more cosmic expansion, more wavelength stretching and thus a higher redshift.

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