alpha-CentauriSeizoen 4Seizoen 4Seizoensnummer4Season name—AfbeeldingenPoster#AfbeeldingTitelUitgezonden1How does one measure distances in space? Part 27 jan 20012Is there a 10th planet?21 jan 20013How old is the Earth?4 feb 20014How does one measure distances in space? Part 318 feb 20015What is time?4 mrt 20016What is an atomic nucleus?4 mrt 20017What is cyclosophy?1 apr 20018Why is Uranus lying on its side?15 apr 20019What are binary stars?29 apr 200110What is the background radiation13 mei 200111Do Black Holes fuse?27 mei 200112What is simultaneousness?10 jun 200113Where do we know all this from?24 jun 200114Is space empty?8 jul 200115Is the Earth's magnetic field about to dissolve?22 jul 200116What are solar winds?5 aug 200117What does the future of the universe look like?19 aug 200118Where do the asteroids come from?2 sep 200119How cold is it in the universe?16 sep 200120Are there extraterrestrials?30 sep 200121What was before the Big Bang?14 okt 200122Where was the Big Bang?28 okt 200123Why do ice ages happen?11 nov 200124Is astronomy without telescope possible?25 nov 200125Are the natural laws random?9 dec 200126What are wormholes?23 dec 2001