The moon is Earth’s only natural satellite. It glows in the night sky because it reflects light from the sun.
The moon is bright tonight.
We saw the full moon yesterday.
Some planets have natural objects around them called moons. These moons orbit their planets and are not stars.
Jupiter has many moons.
Saturn’s moons are very cold.
Long ago, people used the moon to count time. A 'moon' could mean a full month, based on how the moon changes in the sky.
One moon has passed since then.
It happened last moon.
To 'moon' someone means to show your bare butt as a funny or rude act. It is informal and sometimes funny or disrespectful.
He mooned at his friends.
They mooned the crowd at the game.
Sometimes, 'moon' means the curved, crescent shape that the moon makes in the sky. This shape looks like a small smile or a boat.
The moon looks like a smile.
The moon is a thin crescent.
'Moon' in idioms often means something very hard to reach or get. For example, 'shoot for the moon' means to try for a big goal.
He aims for the moon every day.
That dream is over the moon.
To 'moon' can mean working or being active at night, especially for study or work. It is a less common, informal usage.
She mooned all night to finish work.
Students moon during exams.
