FAQ: How Far Across Is The Earth?

Student Characteristics

Planets: Earth Mars
Distance across* 12,800 km or 7,900 miles 6,800 km or 4,200 miles
Atmosphere Nitrogen Oxygen Carbon Dioxide
Moons 1 2

3 •

How big is the Earth straight through?

The short and straightforward answer is 3,958.8 miles, which is the mean radius of the Earth measured in miles. Instead, if you dug a straight line beneath the Earth’s surface, it would take you approximately 3,958.8 miles to reach the core of the world, after which you would have to travel another 3,958.8 miles to get to the other side of the planet.

How many miles is it to the Earth’s core?

The core is located around 2,900 kilometers (1,802 miles) under the surface of the Earth and has a radius of approximately 3,485 kilometers (2,165 miles). The planet Earth is older than the core of the universe. When the Earth was created around 4.5 billion years ago, it was a homogenous ball of hot rock with no cracks.

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How many miles does it take to drill through the Earth?

Putting aside for a moment the fact that drilling a hole through the Earth that is approximately 7,918 miles (12,742 kilometers) in length is nearly inconceivable, the problem with the 42-minute answer was that it assumed the globe was uniformly dense throughout, much like a marble.

How wide is Earth?

Gravity has an acceleration of 9.8 meters per second squared and the Earth’s radius is 6.378 million meters. If you fell through the entire Earth in 42 minutes, you would be dead.

Is it possible to drill to the center of the Earth?

Despite the fact that it is the thinnest of the three primary layers, mankind have never managed to drill all the way through it. Finally, the mantle accounts for an astounding 84 percent of the planet’s total volume. It would be necessary to drill through solid iron to reach the inner core. This would be particularly challenging due to the fact that there is almost little gravity at the core.

How hot is it 1 mile underground?

It would be quite hot below earth. The geothermal gradient shows that on Earth, 1 mile underground would be around 40-45 degrees Celsius (75-80 degrees Fahrenheit), precisely as you mentioned, hotter than the surface. Unless your subterranean metropolis is buried behind a layer of permafrost, that would be a significant obstacle to human existence.

What layer of earth do we live on?

The crust of the world, where humans live, is actually a very thin layer of rock that is only 70 kilometers thick at its thickest point and covers the whole surface of the planet. Each tectonic plate in the crust and lithosphere underneath it (the crust plus the upper mantle) is made up of a different type of rock.

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What happens if you dig to the center of the Earth?

The crust of the planet, on which humans live, is really a relatively thin layer of rock that is about 70 kilometers thick at its thickest point and covers only a fraction of the planet’s surface area. Each tectonic plate in the crust and lithosphere underneath it (the crust plus the upper mantle) is made up of a different type of material.

What would happen if you jumped through the Earth?

By entering the tunnel, you would begin a continuous descent towards the Earth’s core, speeding continually as a result of the force of gravity. After falling for 21 minutes, you’d be moving at a speed of 28,000 kilometers per hour by the time you reached the halfway point of the journey.

What would happen if we drilled into the Earth’s core?

You would be propelled through the Earth until you reached the center of the planet by gravity, which would increase your speed by one second every second as you were drawn towards it from the surface. You would then experience gravitational pull against you, which would cause your ‘up’ journey to become progressively sluggish.

How fast is the Earth spinning?

With a sidereal period of around 40,075 kilometers in circumference, the earth revolves once every 23 hours 56 minutes and 4.09053 seconds (also known as the sidereal period). As a result, the earth’s surface travels at a speed of 460 meters per second at the equator, which is around 1,000 miles per hour on average.

Where is the Earth’s bulge?

On the surface of the planet. Despite the fact that the Earth has a very modest equatorial bulge, it is roughly 43 km (27 mi) broader at the equator than it is from pole to pole, a difference that is less than one-hundredth of the Earth’s diameter.

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