00:00They're watching you.
00:04More than 4,000 satellites circle the Earth.
00:08Every day they uncover new mysterious phenomena that defy explanation.
00:15Baffling phenomena.
00:17Mysteries from space.
00:18What on Earth are they?
00:30Earth.
00:30Earth.
00:31Earth.
00:33Air.
00:34Earth.
00:35Air.
00:36Air.
00:37Air.
00:37Air.
