A mare is a big dark area on the moon surface. It looks flat and was made by lava many years ago. People call these areas mares because they look smooth.
The mare on the moon is very old.
Astronauts landed near the dark mare.
Mare can mean a very bad or scary dream. People sometimes say this word to talk about dreams that cause fear or sadness.
She woke up from a scary mare last night.
I had a mare about falling down.
In old stories and myths, a mare is a ghost or spirit that sits on people’s chests when they sleep. This spirit causes bad dreams and makes sleeping hard.
The old tale told of a mare on the sleeper’s chest.
She felt the mare press down at night.
Mare can also mean dark basalt plains on Mars or other planets. These flat areas were made by volcanic lava long ago and help scientists learn about planets.
Scientists study mare formations on Mars today.
These mares show old volcanic activity.
