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In polar areas, solar radiation strikes Earth at a small angle. The dissipation of light in the Earth's atmosphere is increased when it falls at a shallow angle.
In polar areas, solar radiation strikes Earth at a small angle. The dissipation of light in the Earth's atmosphere is increased when it falls at a shallow angle.
Small angles
LEss than a 45 degree angle
blah
In polar areas, solar radiation strikes Earth at a small angle. The dissipation of light in the Earth's atmosphere is increased when it falls at a shallow angle.
In polar areas, solar radiation strikes Earth at a small angle. The dissipation of light in the Earth's atmosphere is increased when it falls at a shallow angle.
Because Earth is a sphere that is tilted on it's axis.
Small angles
the Earth's tilted axis.
the Earth's tilted axis.
The seasonal tilting of the Earth away from the Sun, causes the sunlight to strike the Earth at an angle that means the distance travelled is longer and cooling is increased. This means that Winter occurs in the Northern Hemisphere, and Summer in the Southern Hemisphere, and visa versa when the Earth tilts towards the Sun.
the sun's radiation is concentrated in smaller area near the equator
Sunbeams do NOT strike the Earth's surface at the same angle. Like dusk some places have an angular strike during the winter months. This is the main reason we have seasons.
The seasonal tilting of the Earth away from the Sun, causes the sunlight to strike the Earth at an angle that means the distance travelled is longer and cooling is increased. This means that Winter occurs in the Northern Hemisphere, and Summer in the Southern Hemisphere, and visa versa when the Earth tilts towards the Sun.
LEss than a 45 degree angle
blah