Question

The color of a star indicates
1. weight
2. size
3. temperature
4. distance

Answer 1

Correct Answer - Option 3 : temperature

Concept:

• Star: The celestial body which consists of a luminous sphere of plasma held together by its own gravitational field is called a star.
  • The Stars are classified by the spectrum and their temperature. 

Explanation:

• The color of a star mostly indicates a star's temperature, and it can also suggest the star's age. So option 4 is correct.
• Class O stars, which are blue in color, are the hottest, and class M stars, which are red in color, are the coldest.