Which of the following is evidence of Earth’s revolution?Group of answer choicesNight and dayThe Foucault pendulumConstellation movementThe Coriolis effect
Question
Which of the following is evidence of Earth’s revolution?Group of answer choicesNight and dayThe Foucault pendulumConstellation movementThe Coriolis effect
Solution
The evidence of Earth’s revolution are:
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Constellation Movement: As the Earth revolves around the sun, we are able to see different constellations at different times of the year. This is because our viewpoint is changing due to the revolution of the Earth.
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The Foucault Pendulum: This is a pendulum with a long enough string that its swing direction changes over time due to the rotation of the Earth. This wouldn't happen if the Earth was stationary.
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The Coriolis Effect: This is the effect that causes moving air and water to turn left in the southern hemisphere and turn right in the northern hemisphere due to Earth's rotation. This effect is responsible for the direction of rotation of weather systems (cyclones and anticyclones).
Night and day, on the other hand, are evidence of Earth's rotation, not its revolution. The Earth rotates on its axis once every 24 hours, causing the cycle of day and night.
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