Moon orbits Earth monthly.

Meaning: The natural satellite of the Earth moves around an object in a circular path the third planet from the Sun and the only known planet in the universe inhabited by life once a month.

Choice of Words: Moon is the natural satellite of the Earth. Orbits is a verb that means to move around an object in a circular path. Earth is the third planet from the Sun and the only known planet in the universe inhabited by life. Monthly is an adverb that means once a month.

Alternative Expressions

Moon goes around Earth every month.

Meaning: This means the same as the first sentence, that the Moon goes around the Earth in a circle, and it takes about a month to complete one circle.

Choice of Words: Moon is the name of the natural satellite that revolves around the Earth. Goes around means to move in a curved path around something, like the Moon does around the Earth. Earth is the name of our planet. Every month means once every month. So, when you put them together, "Moon goes around Earth every month" means that the Moon moves in a curved path around the Earth once every month.

Moon circles Earth in about 30 days.

Meaning: This means the same as the first two sentences, that the Moon goes around the Earth in a circle, and it takes about a month to complete one circle.

Choice of Words: Moon is the name of the natural satellite that revolves around the Earth. Circles means to move in a curved path around something, like the Moon does around the Earth. Earth is the name of our planet. In about 30 days means that it takes about 30 days for the Moon to complete one circle around the Earth. So, when you put them together, "Moon circles Earth in about 30 days" means that the Moon moves in a curved path around the Earth and it takes about 30 days to complete one circle.

Related Expressions