alpha-CentauriSezona 4Sezona 4Broj sezone4Season name—SlikePlakat#SlikaNaslovEmitirano1How does one measure distances in space? Part 27. sij 2001.2Is there a 10th planet?21. sij 2001.3How old is the Earth?4. velj 2001.4How does one measure distances in space? Part 318. velj 2001.5What is time?4. ožu 2001.6What is an atomic nucleus?4. ožu 2001.7What is cyclosophy?1. tra 2001.8Why is Uranus lying on its side?15. tra 2001.9What are binary stars?29. tra 2001.10What is the background radiation13. svi 2001.11Do Black Holes fuse?27. svi 2001.12What is simultaneousness?10. lip 2001.13Where do we know all this from?24. lip 2001.14Is space empty?8. srp 2001.15Is the Earth's magnetic field about to dissolve?22. srp 2001.16What are solar winds?5. kol 2001.17What does the future of the universe look like?19. kol 2001.18Where do the asteroids come from?2. ruj 2001.19How cold is it in the universe?16. ruj 2001.20Are there extraterrestrials?30. ruj 2001.21What was before the Big Bang?14. lis 2001.22Where was the Big Bang?28. lis 2001.23Why do ice ages happen?11. stu 2001.24Is astronomy without telescope possible?25. stu 2001.25Are the natural laws random?9. pro 2001.26What are wormholes?23. pro 2001.