Multiple choice

What is the approximate width of the Milky Way?

  1. 100,000 light years

  2. 200,000 light years

  3. 500,000 light years

  4. 1,000,000 light years

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Current astronomical estimates place the diameter of the Milky Way's stellar disk at approximately 100,000 to 120,000 light years.