53:58

Quanto tempo leva para chegar a cada planeta do nosso sistema solar? | Brian Cox

1:46:03

Why It’s “IMPOSSIBLE” for Humans to Colonize Space

1:32:39

Why is it "IMPOSSIBLE" for Humans to Reach MARS | Michio Kaku

18:14

What The Soviets Found On Venus

1:20:28

What’s ACTUALLY Preventing Us From Colonizing Mars