Orbit: Earth's Extraordinary Journey — S01E03 — Tilt

00:00:10 All of us, every day of our lives, are on the move.

00:02:32 discover how another aspect

00:04:59 because it joins up with the carved snake's head

00:07:14 'while in the southern hemisphere, the opposite occurs.

00:09:28 June 21st, the summer solstice.

00:12:02 This is the moment we've been waiting for all day.

00:14:39 On the other side of the planet, in the southern hemisphere,

00:17:17 This goes on like a backpack.

00:19:48 There's a stable layer of dry air that acts as a barrier

00:22:00 'so that water condensed out of the air, and turned immediately to ice.'

00:24:13 At the tornado's core is an area of intense low pressure,

00:26:54 These occur when the rain inundates densely saturated ground.

00:29:51 and you do get the most staggering view of the city from up here.

00:32:21 is that the ocean takes much more of the sun's energy to heat it up.

00:34:41 some of the water at the surface will evaporate,

00:36:53 VOICES CLAMOUR

00:39:39 why is the Earth tilted in the first place?

00:42:25 A huge amount of debris was blasted into space.

00:45:40 this seemed to be a very athletic population of people.

00:47:49 and depositing them at this spot.

00:49:52 it creates a low pressure system which draws in cold, moist air.

00:52:22 Since we began our journey at the spring equinox in March,

00:54:55 This is the tropic of Cancer.

00:57:22 It's quite a ride!