alpha-CentauriΣεζόν 3Σεζόν 3Αριθμός σεζόν3Season name—ΕικόνεςΑφίσα#ΕικόναΤίτλοςΠροβλήθηκε1What use is Jupiter to us?2 Ιαν 20002What kind of cosmic dangers are threatening us?16 Ιαν 20003Is the universe going to contract again?30 Ιαν 20004How do galaxy clusters come to be?13 Φεβ 20005What is the Big Bang?27 Φεβ 20006What is a quasar?12 Μαρ 20007Are the planetary orbits stable?26 Μαρ 20008What are brown dwarfs?9 Απρ 20009How does one look for dark matter?23 Απρ 200010Anything new about the extraterrestrials?7 Μαΐ 200011How was your May 5th?21 Μαΐ 200012Where is the nearest black hole?4 Ιουν 200013What is eta carinae?18 Ιουν 200014What is the horsehead nebula?2 Ιουλ 200015Do young stars smoke?16 Ιουλ 200016Why does Saturn have rings?30 Ιουλ 200017What happened in the first three minutes?13 Αυγ 200018Why is the world as it is?27 Αυγ 200019How did the solar system come to be?10 Σεπ 200020What are gravity waves?24 Σεπ 200021How thin was the primordial soup?8 Οκτ 200022How does one measure distances in the universe? Part 122 Οκτ 200023What is a high velocity cloud?5 Νοε 200024How many dimensions does the universe have?19 Νοε 200025Where did our gold come from?3 Δεκ 200026Do galaxies collide?17 Δεκ 2000