How long would it take to walk to Alpha Centauri?

0 views

Related questions

Tags

  1. #years
  2. #orbit
  3. #centauri
  4. #velocity
  5. #journey
  6. #about
  7. #light
  8. #alpha
  9. #approximately
  10. #would
  11. #earth
  12. #necessary
  13. #reach
  14. #another
  15. #speed
  16. #average