outer space vs sky in Korean

우주vs하늘

outer space

우주outer space

Outer space (우주) is the huge area beyond Earth where the sun, moon, stars, and planets are. We use this word when talking about space, astronauts, rockets, or the night sky. It is a common word in science class and in everyday conversations about stars and planets.

When to use outer space
sky

하늘sky

Sky means the space above us, where we can see the sun, clouds, moon, and stars. In Korean, 하늘 is used when talking about weather, colors, and things you see outside. It is a very common everyday word, like saying the sky is blue or cloudy.

When to use sky

How they differ

outer space (우주) and sky (하늘) are nearby Korean vocabulary items learners often meet together. Use “outer space” when Outer space (우주) is the huge area beyond Earth where the sun, moon, stars, and planets are. We use this word when talking about space, as… Use “sky” when Sky means the space above us, where we can see the sun, clouds, moon, and stars. In Korean, 하늘 is used when talking about weather, colors…