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The spinning motion of the Earth causes it to flatten slightly at the poles and bulge at the equator. This flattening, known as oblateness, is a result of the centrifugal force counteracting the gravitational force at the equator. The shape of the Earth is an oblate spheroid due to this flattening.
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What does the difference between the Earth's polar circumference and the Earth's equatorial circumference tell you about the Earth's shape?
The difference between the Earth's polar circumference and equatorial circumference, known as the flattening of the Earth, indicates that the Earth is an oblate spheroid. This means that the Earth is slightly flattened at the poles and bulges at the equator, making it not a perfect sphere.
What angle does solar radiation in polar areas strike earth at?
In polar areas, solar radiation strikes Earth at a low angle, close to the horizon. This angle causes the sunlight to be more spread out and less concentrated, resulting in lower energy input compared to equatorial regions.
What are the regions immediately surrounding Earth's poles called?
The areas are called the "polar regions" or the "polar latitudes."
Why it is both correct and incorrect to call earth a sphere?
While the Earth's shape is generally spherical in nature, the centrifugal force of the Earth's rotation has caused a slight flattening. The result is a planetary shape that has a greater planar circumference than its polar circumference.
How many polar ice caps does earth have?
Two, north polar ice cap and south polar ice cap , the arctic and the antarctic
Which planet has the greatest polar flattening?
Saturn has the greatest polar flattening of any planet in our solar system. Its oblateness, or polar flattening, is due to its rapid rotation, causing it to bulge at the equator and flatten at the poles.
What is polar flattening?
Polar flattening, also known as oblateness, refers to the deviation of a planet's shape from a perfect sphere, resulting in a slightly flattened appearance at the poles compared to the equator. This occurs due to centrifugal forces caused by the planet's rotation. For example, Earth is an oblate spheroid with a polar flattening of about 0.00335.
What causes the flattening of poles?
The rotation of the planet.
What map is made by flattening the earth surface?
geonomic?
What causes slight flattening of the earth at two poles?
used by spinning motion of the earth around its axis passing through the poles...the force being max at the equator...since at tym of formation, earth was in fluid state, the force of cohesion was small & could not balance the centrifugal force...hence it bulged out at the equator
What does the difference between the Earth's polar circumference and the Earth's equatorial circumference tell you about the Earth's shape?
The difference between the Earth's polar circumference and equatorial circumference, known as the flattening of the Earth, indicates that the Earth is an oblate spheroid. This means that the Earth is slightly flattened at the poles and bulges at the equator, making it not a perfect sphere.
What causes your planet to have sesons?
The Earth has seasons because it polar axis is tilted relative to its orbit.
Did all planet have spherical shape?
Nearly spherical, with some polar flattening for the large gas giants which spin quickly.
What causes polar easterlies?
Polar easterlies are winds that move in near the north and south poles at 60 to 90 degrees (north or south). They are next to the prevailing westerlies. The polar easterlies are cold and windy, while the prevailing westerlies are hot and dry. The rotation of the Earth and the Sun's heat causes Polar easterlies.
Which event causes the earth to have day and night?
No "event" causes that.The continuous rotation of the planet on its polar axis it responsible for the progression of day and night.
What does the earth bulge slightly around?
The earth rotates at approximately 15 degrees per hour (24hrs x 15 degrees=360 deg). centrifugal force from this rotation causes the panet to bulge at the equator and consequently causes some flattening at the poles. given the earth rotates so slowly, this is not apparent in visual images taken by sattelite or space vehicle.
What causes the flattening of the philtrum?
The flattening of the philtrum can be caused by genetics, developmental disorders, or conditions like fetal alcohol syndrome. The philtrum is formed during fetal development and its shape can be influenced by a variety of factors.
