Which of the following is not a proof to show that the earth is spherical in shape?
Question 1 Report
Which of the following is not a proof to show that the earth is spherical in shape?
Answer Details
The option that is not a proof to show that the Earth is spherical in shape is "twilight and dawn."
While sunrise, sunset, ships visibility, and lunar eclipse are all evidence that supports the idea that the Earth is a sphere, twilight and dawn are not necessarily proof of this shape. Twilight and dawn occur when the Sun is just below the horizon and its light is scattered by the Earth's atmosphere, creating a soft, diffuse light. While this phenomenon is consistent with the idea that the Earth is a sphere, it is not unique to this shape and could also occur on other types of celestial bodies.
In contrast, sunrise and sunset occur because the Earth's spherical shape causes the Sun's light to be blocked from certain parts of the planet as it rotates on its axis. Ships visibility and lunar eclipses are also consistent with the idea that the Earth is a sphere because they demonstrate the way that a sphere can obstruct light and shadow.
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