[Script Info]
Title: 
[Events]
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
Dialogue: 0,0:00:12.68,0:00:16.72,Default,,0000,0000,0000,,Brrr! Whose idea was\Nit to camp in winter?
Dialogue: 0,0:00:16.72,0:00:18.90,Default,,0000,0000,0000,,And why is winter
Dialogue: 0,0:00:18.90,0:00:21.56,Default,,0000,0000,0000,,so much colder and\Ndarker than summer?
Dialogue: 0,0:00:21.56,0:00:24.68,Default,,0000,0000,0000,,To understand this, we\Nneed to explain how
Dialogue: 0,0:00:24.68,0:00:26.30,Default,,0000,0000,0000,,the tilt of the\NEarth's axis
Dialogue: 0,0:00:26.30,0:00:28.78,Default,,0000,0000,0000,,affects the amount\Nof sunshine we get,
Dialogue: 0,0:00:28.78,0:00:31.26,Default,,0000,0000,0000,,and explain how\Nthe tilt of
Dialogue: 0,0:00:31.26,0:00:32.82,Default,,0000,0000,0000,,the Earth's axis affects
Dialogue: 0,0:00:32.82,0:00:35.12,Default,,0000,0000,0000,,how warm the sun feels.
Dialogue: 0,0:00:35.12,0:00:38.44,Default,,0000,0000,0000,,The Earth spins\Non its axis.
Dialogue: 0,0:00:38.44,0:00:41.82,Default,,0000,0000,0000,,The fact that it takes\N24 hours to complete
Dialogue: 0,0:00:41.82,0:00:46.60,Default,,0000,0000,0000,,one spin helps us\Nexplain day and night.
Dialogue: 0,0:00:46.84,0:00:49.06,Default,,0000,0000,0000,,But it is the tilt of
Dialogue: 0,0:00:49.06,0:00:50.42,Default,,0000,0000,0000,,the Earth's axis that will
Dialogue: 0,0:00:50.42,0:00:52.50,Default,,0000,0000,0000,,help us understand\Nthe seasons.
Dialogue: 0,0:00:52.50,0:00:56.84,Default,,0000,0000,0000,,It is tilted at an\Nangle of 23.4 degrees,
Dialogue: 0,0:00:56.84,0:00:58.08,Default,,0000,0000,0000,,and the Earth takes
Dialogue: 0,0:00:58.08,0:01:00.22,Default,,0000,0000,0000,,one year to orbit the sun.
Dialogue: 0,0:01:00.22,0:01:02.56,Default,,0000,0000,0000,,Different parts\Nof the Earth are
Dialogue: 0,0:01:02.56,0:01:05.32,Default,,0000,0000,0000,,tilted towards the\Nsun as it orbits.
Dialogue: 0,0:01:05.32,0:01:07.68,Default,,0000,0000,0000,,In winter, the\Nnorthern hemisphere
Dialogue: 0,0:01:07.68,0:01:09.50,Default,,0000,0000,0000,,is tilted away\Nfrom the sun.
Dialogue: 0,0:01:09.50,0:01:11.24,Default,,0000,0000,0000,,This means fewer\Nhours each
Dialogue: 0,0:01:11.24,0:01:13.36,Default,,0000,0000,0000,,day are spent in daylight.
Dialogue: 0,0:01:13.36,0:01:15.98,Default,,0000,0000,0000,,In summer, the\Nnorthern hemisphere
Dialogue: 0,0:01:15.98,0:01:18.04,Default,,0000,0000,0000,,is tilted towards the sun.
Dialogue: 0,0:01:18.04,0:01:19.76,Default,,0000,0000,0000,,This means more hours
Dialogue: 0,0:01:19.76,0:01:22.44,Default,,0000,0000,0000,,each day are spent\Nin daylight.
Dialogue: 0,0:01:23.88,0:01:25.96,Default,,0000,0000,0000,,The tilt of the Earth
Dialogue: 0,0:01:25.96,0:01:27.46,Default,,0000,0000,0000,,also affects\Nthe angle that
Dialogue: 0,0:01:27.46,0:01:28.80,Default,,0000,0000,0000,,the sun shines onto
Dialogue: 0,0:01:28.80,0:01:30.86,Default,,0000,0000,0000,,different parts\Nof the Earth.
Dialogue: 0,0:01:30.86,0:01:33.04,Default,,0000,0000,0000,,In the summer, the sun is
Dialogue: 0,0:01:33.04,0:01:34.28,Default,,0000,0000,0000,,shining more directly
Dialogue: 0,0:01:34.28,0:01:35.92,Default,,0000,0000,0000,,at the northern\Nhemisphere.
Dialogue: 0,0:01:35.92,0:01:37.64,Default,,0000,0000,0000,,In the winter, the sun
Dialogue: 0,0:01:37.64,0:01:39.90,Default,,0000,0000,0000,,shines at more\Nof an angle.
Dialogue: 0,0:01:39.90,0:01:42.88,Default,,0000,0000,0000,,The sun appears\Nhigher in the sky in
Dialogue: 0,0:01:42.88,0:01:45.92,Default,,0000,0000,0000,,summer and lower\Nin the winter.
Dialogue: 0,0:01:45.92,0:01:48.72,Default,,0000,0000,0000,,The angle of the sun\Nin the winter spreads
Dialogue: 0,0:01:48.72,0:01:51.40,Default,,0000,0000,0000,,the sun's rays over\Na larger area.
Dialogue: 0,0:01:51.40,0:01:53.42,Default,,0000,0000,0000,,They are less\Nconcentrated,
Dialogue: 0,0:01:53.42,0:01:56.28,Default,,0000,0000,0000,,and so it feels colder.
Dialogue: 0,0:01:56.28,0:01:59.82,Default,,0000,0000,0000,,So, the Earth's tilt\Nreally does mean
Dialogue: 0,0:01:59.82,0:02:01.22,Default,,0000,0000,0000,,it's better to\Ngo camping in
Dialogue: 0,0:02:01.22,0:02:03.76,Default,,0000,0000,0000,,the UK in summer.
Dialogue: 0,0:02:03.76,0:02:06.58,Default,,0000,0000,0000,,In winter, the\NNorthern hemisphere
Dialogue: 0,0:02:06.58,0:02:08.44,Default,,0000,0000,0000,,is tilted away\Nfrom the sun.
Dialogue: 0,0:02:08.44,0:02:10.50,Default,,0000,0000,0000,,We have fewer\Nhours of daylight,
Dialogue: 0,0:02:10.50,0:02:12.44,Default,,0000,0000,0000,,and the sun's rays\Nare spread over
Dialogue: 0,0:02:12.44,0:02:15.42,Default,,0000,0000,0000,,a larger area,\Nmeaning it's colder.
Dialogue: 0,0:02:15.42,0:02:17.88,Default,,0000,0000,0000,,In summer, the\Nnorthern hemisphere
Dialogue: 0,0:02:17.88,0:02:19.64,Default,,0000,0000,0000,,is tilted towards the sun.
Dialogue: 0,0:02:19.64,0:02:22.46,Default,,0000,0000,0000,,We have more hours of\Ndaylight and the sun
Dialogue: 0,0:02:22.46,0:02:24.02,Default,,0000,0000,0000,,shines more directly onto
Dialogue: 0,0:02:24.02,0:02:26.72,Default,,0000,0000,0000,,us, meaning it's warmer.
Dialogue: 0,0:02:27.44,0:02:30.84,Default,,0000,0000,0000,,I know which one I prefer.
Dialogue: 0,0:02:30.84,0:02:34.84,Default,,0000,0000,0000,,[bird song]