OBSERVING THE SUN
16:53
NEBULAE: WHERE STARS ARE BORN AND DIE
59:14
ANDROMEDA GALAXY with only a Camera, Lens, & Tripod
1:17:50
How The Space Shuttle Worked | Full Documentary
3:46:11
4 Hours Of Mysteries Of Our Solar System
4:49
Solar Cycle 24 - Observe Sunspots
6:40
Observing the Sun in White Light
17:42
Worst Mistakes Ever | Major Damage 💥😳
1:54:29