Table of Contents
How wide is the Earth?
The Earth’s diameter at the equator is 7,926.28 miles, and its diameter at the poles is 7,899.80 miles.
How thick is the Earth in miles?
The distance to the center of the Earth is 6,371 kilometers (3,958 mi), the crust is 35 kilometers (21 mi) thick, the mantle is 2855km (1774 mi) thick — and get this: the deepest we have ever drilled is the Kola Superdeep Borehole, which is just 12km deep.
How wide is Mars?
How fast is the Earth spinning?
roughly 1,000 miles per hour
The earth rotates once every 23 hours, 56 minutes and 4.09053 seconds, called the sidereal period, and its circumference is roughly 40,075 kilometers. Thus, the surface of the earth at the equator moves at a speed of 460 meters per second–or roughly 1,000 miles per hour.
What is the deepest a human has been underground?
In terms of depth below the surface, the Kola Superdeep Borehole SG-3 retains the world record at 12,262 metres (40,230 ft) reached in 1989, and is still the deepest artificial point on Earth.
What planet is gas?
A gas giant is a large planet composed mostly of gases, such as hydrogen and helium, with a relatively small rocky core. The gas giants of our solar system are Jupiter, Saturn, Uranus and Neptune.
How big is Jupiter?
Why don’t we feel the Earth moving?
Earth moves very fast. It spins (rotates) at a speed of about 1,000 miles (1600 kilometers) per hour and orbits around the Sun at a speed of about 67,000 miles (107,000 kilometers) per hour. We do not feel any of this motion because these speeds are constant. You can only feel motion if your speed changes.
What happens if the Earth stops spinning?
At the Equator, the earth’s rotational motion is at its fastest, about a thousand miles an hour. If that motion suddenly stopped, the momentum would send things flying eastward. Moving rocks and oceans would trigger earthquakes and tsunamis. The still-moving atmosphere would scour landscapes.
How hot is it 1 mile underground?
The temp gradient is about 1.6 deg per 100 ft. Thus at 1 mile deep it is about 84 deg plus 60 deg or about 144 deg.
Why can’t we drill to the center of the Earth?
It’s the thinnest of three main layers, yet humans have never drilled all the way through it. Then, the mantle makes up a whopping 84% of the planet’s volume. At the inner core, you’d have to drill through solid iron. This would be especially difficult because there’s near-zero gravity at the core.
How many miles around the Earth?
Planet Earth has a circumference of roughly 40,075 km, or 24,901 miles . But since it is not perfectly round, this figure does not tell the whole story.
How big is the Earth in square meters?
The total surface area of Earth is about 510.1 million square kilometers. A billionth of that is 0.51 square kilometers. If equally divided between 7 billion humans, each will get 72,871 square meters of the surface which is an area about 270 meters by 270 meters (886 ft by 886 ft).
How big around is the Earth?
Earth’s circumference (the distance all the way around the equator) is 24,901 miles (40,075 kilometers). Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). Earth is slightly smaller when measured between the North and South Poles which gives a diameter…
What is the surface area of the Earth?
The surface area of Earth is as large as 196,939,900.45 square miles