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Electronics. A radar sends out a "pulse" - that is, a powerful, single shot of electro-magnetic energy. That pulse bounces off the moon and comes back to the receiver. An electronic beam ravels at a specific rate. The time between the gun firing its shot and receiving the echoed bounce-back is a simple math problem. When you know the time, then again its a simple math problem to covert that time to distance. {BTW... The same principle is used for police radar units!}
What else can I help you with?
How do scientists know how old the moon is?
The nMoon was once a part of the Earth, so it is the same age as the earth.
How did they know the distance the moon was from earth 1 billion years ago?
Scientists use various methods to estimate the distance between the Earth and the Moon in the past, such as analyzing lunar rock samples, studying ancient impact craters, and using computer simulations to model orbital dynamics. These methods allow them to make informed approximations based on the available evidence and scientific knowledge.
How far is the earths moon from mercury?
Varying from the the distance from the Earth to the Moon + the distance from the sun to the earth + the distance from mercury to the sun, to the distance from the earth to the sun - the distance from mercury to the sun - the distance from the earth to the moon
How do scientists know when the next eclipse will occur?
by knowing the placement of the sun ,earth and the moon
Whats the distance from earth to the moon?
The distance from the moon to the Earth is 238,900 miles.
What do scientists use to accurately measure the distance between the earth and the moon?
a stick.
What is the purpose of placing a retroreflector on the moon?
The purpose of placing a retroreflector on the moon is to allow scientists to accurately measure the distance between the Earth and the moon by reflecting laser beams back to Earth.
How do scientists know how old the moon is?
The nMoon was once a part of the Earth, so it is the same age as the earth.
How did they know the distance the moon was from earth 1 billion years ago?
Scientists use various methods to estimate the distance between the Earth and the Moon in the past, such as analyzing lunar rock samples, studying ancient impact craters, and using computer simulations to model orbital dynamics. These methods allow them to make informed approximations based on the available evidence and scientific knowledge.
What is the distance the moon is from earth?
Moon/Distance to Earth 238,900 mi
What distance is from the Earth to the Moon?
The distance from earth to the moon is 250,000 miles.
How far is the earths moon from mercury?
Varying from the the distance from the Earth to the Moon + the distance from the sun to the earth + the distance from mercury to the sun, to the distance from the earth to the sun - the distance from mercury to the sun - the distance from the earth to the moon
How do scientists know when the next eclipse will occur?
by knowing the placement of the sun ,earth and the moon
Whats the distance from earth to the moon?
The distance from the moon to the Earth is 238,900 miles.
What is the distance from the moon to the earth in meters?
The distance between the moon and the earth is 384,403,000 meters.The distance from earth to the moon is -Apogee - 405,696,000 metresPerigee - 363,104,000 metres
The distance from the earth to the moon?
The distance from the moon to earth is 238,857 miles.
Are the moon and the sun the same distance from earth?
No, the moon and the sun are not the same distance from Earth. The average distance from the Earth to the moon is about 238,855 miles, while the average distance from the Earth to the sun is about 93 million miles.
