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The Earth formed inside the accretion disc when the heavier particles started attracting smaller particles and began to clump together to eventually form a planet sized body. | The Earth formed inside the accretion disc when the heavier particles started attracting smaller particles and began to clump together to eventually form a planet sized body. | ||
=== How seasons on Earth work? === | === How seasons on Earth work? === | ||
− | The seasons on Earth occur due to the current 23.5° axial tilt of the planet. As the Earth revolves around the Sun with its | + | The seasons on Earth occur due to the current 23.5° axial tilt of the planet. As the Earth revolves around the Sun with its titled axis, the amount of sunlight that reaches the northern and southern hemisphere varies over time. During the first half of the orbit during May, June, and July, the northern hemisphere will be tilted away from the sunlight. As the axial tilt remains fixed, the other half of the orbit during November, December, and January will be in a way that the northern hemisphere is tilted towards the sunlight. In between this, at vernal and autumnal equinoxes both the hemispheres will be facing the sun equally, forming spring and autumn respectively. |
=== Why Earth's axis is tilted? === | === Why Earth's axis is tilted? === | ||
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=== What is plate tectonics? === | === What is plate tectonics? === | ||
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