Mercury, Venus & Mars — The Other Terrestrial Planets Besides Earth
6 min readApr 16, 2021
Mercury!
Mercury is our cute little planet closest to the Sun in our solar system. It is only 1/18th the size of the Earth, and not much larger than the moon. Mercury isn’t so cute when you look at it up close though. It has a high density which means it is made mostly of heavy materials like metals. It’s basically a metal ball about the size…
