The Vietnamese word "sao bắc cực" translates to "pole star" in English. It specifically refers to the North Star, which is known for its brightness and is located nearly directly above the North Pole. The North Star is significant in navigation because it remains in a fixed position in the sky while other stars seem to move around it.
"Sao bắc cực" is an important term in Vietnamese related to astronomy and navigation, symbolizing guidance and stability.