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Name three people that proved that earth was round not flat?
Pythagoras, a Greek mathematician and philosopher, provided some of the earliest known evidence that the Earth was round through mathematical reasoning in the 6th century BCE. Aristotle, a Greek philosopher, observed during the 4th century BCE that the Earth cast a round shadow on the Moon during a lunar eclipse, indicating a spherical shape. Ferdinand Magellan's circumnavigation of the globe in the 16th century provided concrete evidence that the Earth was round and not flat.
How did Aristotle know that the earth was not flat way back in 350 BCE?
Aristotle observed that during a lunar eclipse, the shadow of the Earth on the moon was round. He also noted that ships disappear hull first when sailing away and that the stars appear at different angles depending on the observer's location. These observations led him to believe that the Earth was a sphere, not a flat disk.
How does the length of a shadow change during the yearwhy does this happen?
The length of the shadow (on a flat, horizontal floor) depends on the height of the Sun. If the Sun is higher in the sky, the shadow will become shorter.
Why does the Earth appear flat but is actually round?
Because the Earth is very large. If the Earth were flat, we would expect a curvature rate of zero inches per mile. As it is, the Earth is not flat, and it's curvature rate is 8 inches per mile. 63,360 inches are in a mile, and the 8 inch drop is spread over that distance. Our eyes are not able to detect an approximately 1/10,000th of an inch drop off per inch. In simple terms, the curvature is so gradual that we can't see it!
How did the Egyptian shhadow clock work?
The Egyptian shadow clock, also known as a sundial, functioned by using the position of the sun to cast a shadow on a flat surface marked with time divisions. A vertical stick, or gnomon, was placed in the center, and as the sun moved across the sky, the shadow it cast would move along the markings to indicate the time of day. This method relied on the sun's position, making it effective only during daylight hours and on sunny days. The Egyptians used this device to organize their daily activities and rituals based on the passage of time.
If the earth was a flat what shapes could its shadow be?
If the Earth were flat, its shadow could potentially take the shape of a rectangle or square if the light source was directly perpendicular to the Earth's surface. The specific shape would depend on the angle of the light source and the orientation of the flat Earth.
How do we know the earth isn't flat?
try to look and observe the lunar eclipse. it's when the earth's shadow covers the moon. when you see it, the shadow of the earth is curved
What did Magellan's prove?
that the earth is round just like what Magellan said ... `The church says the earth is flat, but I know that it is round, for I have seen the shadow on the moon, and I have more faith in a shadow than in the church"
What is a famous quote by Ferdinand Magellan?
The church says the earth is flat, but I know that it is round, for I have seen the shadow on the moon, and I have more faith in a shadow than in the church.
What happens when the earth is flat?
Nothing in the Universe is as large as the Earth AND flat. If the Earth were flat, it would be the only flat object, other than some small asteroids.
What happens when earth is flat?
Nothing in the Universe is as large as the Earth AND flat. If the Earth were flat, it would be the only flat object, other than some small asteroids.
Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
Yes, a shape that could achieve this is a cylinder with a circular base. When held upright, it would cast a circular shadow, and when laid flat, it would cast a rectangular shadow due to the shape's profile and orientation relative to the light source.
What was proven by voyage Magellan?
that the earth is round just like what Magellan said ... `The church says the earth is flat, but I know that it is round, for I have seen the shadow on the moon, and I have more faith in a shadow than in the church"
Explain how an eclipse is evidence of the Earth being spherical in shape?
During an eclipse of the moon, the edge of Earth's shadow is always the arc of a circle. Only spheres casts circular shadows; a flat surface would not do so.
How would the distribution of thermal energy over earth would change if earth were flat?
If Earth were flat, the distribution of thermal energy would be uneven due to the lack of curvature affecting the intensity of sunlight reaching different regions. This would lead to extreme temperature variations between areas exposed to direct sunlight and those in shadow. Without the spherical shape of the Earth redistributing heat through atmospheric circulation and ocean currents, there would be more significant temperature disparities between regions.
What did Aristotle think about the shape of earth?
Aristotle believed that the Earth was spherical in shape because of the observed curvature of its shadow during a lunar eclipse, the way ships disappear over the horizon, and the circular shape of the Earth's shadow on the moon during a lunar eclipse.
Would a cast work for flat feet?
Yes, it would.
