Alpha Centauri

#1 - How does one measure distances in space? Part 2 8.00

Season 4 - Episode 1

#2 - What is a red giant?

Season 5 - Episode 14

#3 - How are molecule rings created ?

Season 9 - Episode 1

#4 - What use is Jupiter to us? 9.00

Season 3 - Episode 1

#5 - How many dimensions does the universe have?

Season 1 - Episode 1

#6 - Is there a 10th planet?

Season 4 - Episode 2

#7 - What kind of cosmic dangers are threatening us?

Season 3 - Episode 2

#8 - What is Sedna ?

Season 9 - Episode 2

#9 - What is Geminga?

Season 10 - Episode 2

#10 - How old is the Earth? 7.50

Season 4 - Episode 3

#11 - What is Cas A ?

Season 9 - Episode 3

#12 - How quickly did the Earth begin?

Season 8 - Episode 3

#13 - What was the ether?

Season 7 - Episode 3

#14 - Is the universe going to contract again?

Season 3 - Episode 3

#15 - How do galaxy clusters come to be? 7.50

Season 3 - Episode 4

#16 - Do Black Holes rotate?

Season 8 - Episode 4

#17 - What is the Big Bang?

Season 3 - Episode 5

#18 - How do we no all of this?

Season 2 - Episode 5

#19 - What is dark energy?

Season 5 - Episode 4

#20 - Why do heavenly bodies rotate? Part 1

Season 6 - Episode 4

#21 - What is time?

Season 4 - Episode 5

#22 - What is a Wolf-Rayet star? 7.00

Season 10 - Episode 1

#23 - Do Black Holes dance?

Season 7 - Episode 2

#24 - How does one know the age of rocks?

Season 7 - Episode 1

#25 - Can one travel at light speed?

Season 8 - Episode 1