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Why is it so difficult to go from earth to outer space?
Mainly because it requires a huge amount of energy to do so. To move in a stable orbit around Earth, close to the Earth, an object must have a speed of about 7.9 kilometers per second. To escape from Earth completely, an object requires an initial speed of 11.2 kilometers per second. (Multiply those numbers by 1000 to convert to meters/second; multiply by 3600 if you want to have them in kilometers/hour.)
How many mercurys would equal the size of earth?
The size of Earth equals to 12,756 kilometers while Mercury's size is 4879 kilometers. Around 2.6 Mercuries would fit into Earth.
What is the radius of earth in kilometers?
The radius of Earth is approximately 6,371 kilometers.
How many kilometers are there in the world?
You mean the circumference right? 40,075km
How many times around the earth equals 4800 trillion miles?
Earth's circumference is about 40,000 kilometers. Convert your 4800 trillion miles to kilometers and divide by 40,000, to know how many times aroud it is.
How many kilometers to the center of the earth?
That would be the radius of the earth which is:6,378.1 kilometers
How many kilometers in between Saturn and the Earth?
1216 Billion Kilometers
How many kilometers in the land on earth?
Uhtthhh
How many kilometers big is the Earth?
By unit of length and distance and conversion ,we can say that Earth is of 6400 km radius .
How many kilometers is it to the earth from the star 15 years away?
141.9 trillion kilometers
How many kilometers away is an object whos distance is 8 lightyears?
8 light years = 75685843780650 kilometers
How many kilometers deep is the earth?
about 12,000km deep.
How many kilometers is the troposphere away from earth?
1
Why is it so difficult to go from earth to outer space?
Mainly because it requires a huge amount of energy to do so. To move in a stable orbit around Earth, close to the Earth, an object must have a speed of about 7.9 kilometers per second. To escape from Earth completely, an object requires an initial speed of 11.2 kilometers per second. (Multiply those numbers by 1000 to convert to meters/second; multiply by 3600 if you want to have them in kilometers/hour.)
How many kilometers would you have to dig through the earth th get to the other side?
Approximately 12,742 kilometers. This distance is from the surface of the Earth to the center and then to the opposite side.
How many kilometer is around the earth?
The circumference of the Earth at the equator is 40,075 kilometers or 24,902 miles. The circumference of the Earth through the poles is 40,008 kilometers or 24,860 miles.
How many kilometers in planet earth?
By unit of length and distance and conversion ,we can say that radius of Earth =6400 km
