Question

How old is the earth according to scientists?

Answer 1

About 4.5 billion years old.

Explanation:

Scientists have used a variety of methods such as radiometric dating of meteorite material (present on Earth) compared with the oldest samples of lunar and terrestrial material.

Spectrometric analysis of other celestial objects in our solar system also suggests that most of our solar system formed within 4.53 to 4.58 billion years ago.