By carbon dating minerals, fossils or objects, in the earth.
The nMoon was once a part of the Earth, so it is the same age as the earth.
How old do scientists calculate the Earth
they were first on earth
Scientists believe that the Earth is approximately 4.5 billion years old based on radiometric dating of rocks and meteorites.
No. Scientists estimate that Earth is about 4.6 billion years old.
a compass
I don't know, but scientist know.
4.6 billion years
We may possibly know how Earth was created.
Best estimates put the Earth's age at approximately 4.6 billion years old.
About 4.5 billion years.
not a clue