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What person did the most to prove the earth was shaped like a ball?
Columbus did the most to prove the earth was shaped like a ball. He did this by sailing to America, and proving to Europe that the world was not flat. Edit: a lot of people think that, but it was established by the Ancient Greeks about 1800 years earlier.
How far is Delphinus from earth?
Delphinus is a constellation located about 240 light-years away from Earth.
What will happen to when you step onto the moon?
you will suddenly only weigh 1/6 th of what you weigh on earth....so if you weighed 240 on earth with your spacesuit...once you hit the moon you will only weigh 40 pounds due to the difference in gravity
The interantional space station orbits earth at an altitude of 240. What is the distance fro the space station to earths horizon to the nearest mile?
This is hard to go through without a drawing, but let's try it: Draw the earth as a circle, with a center. Indicate the ISS with a dot. Draw a line from the earth's center to the ISS. Draw a line from the ISS tangent to the earth's surface. Draw the radius from the earth's center to the ISS horizon (the tangent point). A corollary in geometry tells us that a radius is perpendicular to a tangent. This is very helpful ... we know we have a right triangle. Hypotenuse is the line from the center to the ISS; its length is (earth radius)+(ISS altitude) = 3,970+240 = 4,210 miles. One leg = earth radius = 3,970 miles Other leg = distance from ISS to the horizon = sqrt[ hypotenuse2 - leg2 ] = sqrt(42102-39702) = 1,401 miles (rounded)
How long does it take for betelgeuse to orbit its galaxy?
Since Betelgeuse is a nearby star (compared to the size of the galaxy, that is), you can assume that it takes about the same time as our Solar System to orbit the galaxy - approximately 240 million years.
Who calculated the size of earth?
The Greek mathematician and astronomer Eratosthenes is credited for calculating the Earth's circumference around 240 BC. He did so by comparing the angle of the shadow cast by a vertical stick at noon in two different cities and using basic trigonometry to estimate the Earth's size.
Who discovered the earths curcumference?
The Greek mathematician and astronomer Eratosthenes is credited with calculating the Earth's circumference around 240 B.C. using the angle of the sun's rays at two different locations and the distance between those locations. This method provided a reasonably accurate estimate of the Earth's size.
When did Eratosthenes calculate the circumference of the earth?
Eratosthenes lived from ~ 276 BC - c. 195 BC. In the text In On the Circular Motions of the Celestial Bodies, Cleomedes credited him with having calculated the Earth's circumference around 240 BC, which would have made him around 36 years old at the time. For his part, Cleomedes wrote his text between between the mid-1st century BC and 400 AD (although probably between about 100 BC and 100 AD), so he was writing about a measurement that occurred hundreds of years in the past so we can only consider the 240 BC date as a reasonable estimate rather than established fact.
How did the Greeks figure out the size and shape of the earth nearly 2000 years before Columbus?
They did it with clear and brilliant thinking, and by applying concepts from astronomy and geometry. They figured out how to do some triangulations that gave them basic measurements from which to estimate earth's over-all dimensions.
Which scientist say he put off directions of earth by a stickth by a stick?
I'm not sure exactly what you're asking here. Perhaps you are referring to Eratosthenes of Cyrene, the greek scientist who estimated the circumference of the earth by measuring the shadows of sticks in around 240 BC?
How did Eratosthenes know the Earth was round?
Eratosthenes' method requires that one know or determine the vertical angle of the sun above the horizon or from the zenith (a point directly overhead) at solar noon at two locations along the same line of longitude. The distance between the two locations must also be known.
Who was the first explorer who figured out the Earth is larger than most people thought?
By 500 B.C., most ancient Greeks believed the Earth was round, not flat. But they had no idea how big the planet was until about 240 B.C. when Eratosthenes came up with a clever way to estimate the Earth's circumference.
What do you estimate 244?
To the nearest ten, 240
What do you estimate 244 to?
The front end estimate is 200. But estimating a single number, in isolation and without context, is a complete waste of time. It all comes down to the context of what needs to be done with the number.If I had to add 244 to 1 trillion, I would estimate it as 0.If I had to add 244 to 0.0000000001, I would use the number as given, or possibly 240. If I had to divide it by 4, I would estimate it as 240, because 240/4 = 60. If I had to divide it by 5, I would estimate it as 250, because 250/5 = 50.
Size speakers Volvo 240?
4 inches
What wire size should be used for a 30 amp 240 volt circuit?
For a 30 amp 240 volt circuit, a wire size of 10 AWG should be used.
Compute the Size of 800x600 image at 240 pixels per inch?
If the image is 800 pixels by 600 pixels at 240 pixels per inch, then the image size is (800 / 240) by (600 / 240) or 31/3 by 21/2 inches.
