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What instrument is used to find Earth's length?
The instrument used to measure Earth's circumference is called a theodolite. It is a precision instrument that measures horizontal and vertical angles. By measuring angles between points on Earth's surface, scientists can calculate the size of Earth.
How do scientists know about the axis of earth?
The axis is an imaginary line drawn thru the north pole and south pole). It helps to understand the occurrence of seasons on Earth. The scientists use the tilt(23.5 degrees) to show how the northern and southern hemispheres get the four seasons. The tilt is always in one direction and as the earth revolves around the Sun we get the seasons on earth.
How did they measure the distance between earth and nearest planet to it?
The distance between Earth and its nearest planet, Venus, is typically measured using radar ranging. Scientists send radio waves from Earth to Venus, which bounce back after hitting the planet's surface. By calculating the time it takes for the waves to return and knowing the speed of light, they can determine the distance. This method allows for precise measurements, especially when the planets are closest during their orbits.
How scientists use seismic waves to map the earth's interior?
Scientists use seismic waves generated by earthquakes or controlled explosions to study how they travel through the Earth's interior. By analyzing the speed and direction of these waves as they pass through different layers of the Earth, scientists can create models that help them understand the composition and structure of the Earth's interior. This information is crucial for studying plate tectonics, seismic activity, and the formation of geological features.
What has helped earth scientists determine the age of the earth more precisely?
Earth scientists have determined the age of the Earth more precisely through radiometric dating, particularly using isotopes like uranium-lead and potassium-argon. These methods measure the decay of radioactive elements in rocks and minerals, providing reliable age estimates. Additionally, advancements in technology, such as mass spectrometry, have improved the accuracy of these measurements. By dating the oldest rocks and meteorites, scientists have established the Earth's age at approximately 4.54 billion years.
What is the distence between earth and Saturn?
it is about 788,999 kilometers away
What do scientists use to accurately measure the distance between the earth and the moon?
a stick.
Distence from earth to the moon?
JAJAJAJAA TOOO EASY 384,403 km (238,857 miles).
What measurement do scientists use for the distance between stars and Earth?
scientists use light-years to measure long distances in space. a light year, (abrviated ly) is the distance light can travel.
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 use computers to measure distance from stars?
From what I remember in two geology classes, scientists measure the distance between a star and Earth by comparing "red shift," a shifting of certain bands of light toward the "red" end of the spectrum. The further the shifting, the greater the distance.
Why is it necessary for scientists to use AU to measure distance in space?
It's more convenient for scientists. AU is the distance the earth is from the sun.
What is a measure of gravitational force between you and the earth?
you measure it in feet
What is a measure of the force of gravity between earth and an object is?
The objects weight is a measure of that force.
What is a Measure of force of gravity between Earth and the object?
The objects weight is a measure of that force.
Scientists have identified the boundaries between Earth's layers by studying?
Scientists have identified the boundaries between Earth's layers by studying seismic waves generated by earthquakes. The speed and behavior of these waves as they travel through the Earth provide valuable information about the composition and structure of each layer. By analyzing seismic data, scientists can determine the boundaries between the crust, mantle, outer core, and inner core of the Earth.
What is measure of the force of gravity between earth and an object?
gravity
