What is the distance of the star Proxima Centauri from the planet Earth ________?
- A. 4.2 light years
- B. 3.2 light years
- C. 2.4 light years
- D. 1.5 light years
Explanation
Proxima Centauri is the nearest known star to the Sun after the Sun itself, at about 4.24 light-years from Earth. Therefore, 4.2 light-years is the appropriate rounded value.