Mars'ta keşif ve kolonileşme: Neden Mars? Neden insanlar? |Dr. Joel Levine |TEDxRVA
17:13
How NASA is answering the question: Are we alone? | Shawn Domagal-Goldman | TEDxMidAtlantic
17:30
Why We are Alone in the Galaxy | Marc Defant | TEDxUSF
15:01
Have you ever imagined how interstellar travel could work? | Ryan Weed | TEDxDanubia
15:12
The Third Story of the Universe | Brian Swimme | TEDxBerkeley
11:19
The Hidden World Beneath the Antarctic Ice Sheet | John Priscu | TEDxBozeman
13:00
5 key habits for longer healthspans | Dr. Tom Perls | TEDxBoston
16:06
Cosmology and the arrow of time: Sean Carroll at TEDxCaltech
13:52