Multiple choice

How many years has light been traveling through space from The Andromeda Galaxy to Earth?

  1. 1.5 million years

  2. 1.8 million years

  3. 2.2 million years

  4. 3 million years
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Andromeda Galaxy is approximately 2.5 million light-years away. Among the choices provided, 2.2 million is the closest accepted scientific estimate.

Keep practicing — related questions