Inner Planets
By: Silvia Ponce February 13th 2016
The First Planet, Mercury
This planet is the closest to the Sun. One day on Mercury is 59 Earth days long! You think that's crazy? Well hold onto your seats, because one year on Mercury is only 88 Earth days long!
Planet Mercury | Space School
Did you know?
- Ice was found on Mercury in 2012
- Mercury is the smallest planet
- This planet can be seen from the Earth every seven years
- It is named for the Roman god Mercury