星座

1. Origins, structure, and basic meaning

• Structure: 星座, read せいざ, means a named grouping of stars viewed as forming a pattern in the night sky.
• Basic usage: It describes finding constellations in the night sky or using their positions as clues to direction.
  • 冬の夜空で明るい星座をいくつか見つけた。

2. Common pitfalls and similar expressions

• An individual star and a constellation
  • 星 can refer to an individual star, while 星座 is a constellation in which stars are viewed as a group.