Official Description

Venus is part of the Solar system horses. Venus is a female and can only breed once in her life with Mars, to give birth to Uranus. You can take her for rides on an exoplanet to increase her skills.
At every full moon, she also brings you 5 diamonds provided you logged in within the past 3 days. when you breed her with Mars, it takes 3 days and you are unable to use aging points