Question

How do astronomers determine the distance between Earth and Mars at different times in their Orbits?

Answer 1

there is a method known as scientific notation.Scientific notation is a way of writingvery large or very small numbers. A number is written in scientific notationwhen a number between 1 and 10 is multiplied by a power of 10. Forexample, 650,000,000 can be writtenin scientific notation as 6.5 ✕ 10^8.

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