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What is the shape of the Earth commonly referred to as?
- a)Spherical
- b)Geoid
- c)Elliptical
- d)Circular
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
What is the shape of the Earth commonly referred to as?a)Sphericalb)Ge...
The shape of the Earth is referred to as a geoid. It is almost spherical but slightly flattened at the poles, giving it a unique earth-like shape.
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What is the shape of the Earth commonly referred to as?a)Sphericalb)Ge...
Geoid shape of the Earth
The shape of the Earth is commonly referred to as a geoid. Here is an explanation of why the Earth is considered a geoid shape:
Definition of Geoid:
- A geoid is a three-dimensional representation of the Earth's shape, taking into account its gravitational field.
- It is the shape that the surface of the oceans would take under the influence of Earth's gravitational pull and rotation alone.
Irregularities in Earth's Shape:
- The Earth is not a perfect sphere, as it bulges at the equator and is slightly flattened at the poles due to its rotation.
- It also has various irregularities in its shape, such as mountains, valleys, and ocean basins.
Gravitational Field:
- The Earth's gravitational field is not uniform, which causes variations in the strength of gravity at different points on the surface.
- These variations in gravity influence the shape of the Earth, giving it a geoid shape.
Measuring Geoid:
- Scientists use satellites and advanced technology to measure the geoid shape of the Earth accurately.
- By studying the gravitational field and topography of the Earth, they can create models that represent its geoid shape.
Conclusion:
- In conclusion, the Earth is commonly referred to as a geoid shape due to its irregularities, gravitational field, and the way it would appear under the influence of gravity alone.
The shape of the Earth is commonly referred to as a geoid. Here is an explanation of why the Earth is considered a geoid shape:
Definition of Geoid:
- A geoid is a three-dimensional representation of the Earth's shape, taking into account its gravitational field.
- It is the shape that the surface of the oceans would take under the influence of Earth's gravitational pull and rotation alone.
Irregularities in Earth's Shape:
- The Earth is not a perfect sphere, as it bulges at the equator and is slightly flattened at the poles due to its rotation.
- It also has various irregularities in its shape, such as mountains, valleys, and ocean basins.
Gravitational Field:
- The Earth's gravitational field is not uniform, which causes variations in the strength of gravity at different points on the surface.
- These variations in gravity influence the shape of the Earth, giving it a geoid shape.
Measuring Geoid:
- Scientists use satellites and advanced technology to measure the geoid shape of the Earth accurately.
- By studying the gravitational field and topography of the Earth, they can create models that represent its geoid shape.
Conclusion:
- In conclusion, the Earth is commonly referred to as a geoid shape due to its irregularities, gravitational field, and the way it would appear under the influence of gravity alone.
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What is the shape of the Earth commonly referred to as?a)Sphericalb)Geoidc)Ellipticald)CircularCorrect answer is option 'B'. Can you explain this answer?
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