Q943
The different colours of different stars are due to the variation of
A.
Temperature
AnswerB.
Pressure
C.
Density
D.
Radiation from them
Answer: Option A
Solution
Answer: Option A
Solution:
The colour of a star – which varies from bluish-white and yellow to orange and red – is primarily due to its composition and effective temperature. And at all times, stars emit light which is a combination of several different wavelengths. On top of that, the colour of a star can change over time.