01 / AGE ON OTHER WORLDS

How many trips
around the Sun?

A year means one orbit around the Sun. Elapsed time stays the same; the unit changes.

world years = Earth years × 365.256 ÷ orbital days
Mercury103.8years
Venus40.64years
Earth25years
Mars13.29years
Jupiter2.11years
Saturn0.85years
Uranus0.3years
Neptune0.15years