# Definition:Mars

## Definition

Mars is the fourth planet of the solar system from the sun.

Its orbit lies between those of Earth and Jupiter.

## Historical Note

The orbital period of Mars was measured by the ancient Babylonians as:

$12,59;57,17$ days

as represented using the Babylonian number system.

This is seen to represent the number in decimal notation as approximately:

$779 \cdotp 955$ days

The modern figure is $779 \cdotp 936$ days