17:34
Bize En Yakın Yaşanabilir Gezegen: Proxima Centauri b
16:01
Why Can't We See the Second Closest Star to Us? (BARNARD'S STAR)
1:26
Sinusoidal Ring Wave (800) / Photon
16:58
If the Universe is Expanding, Why Are Galaxies Merging?
16:24