Translation guide
The Plough is a prominent asterism in the constellation Ursa Major, known as the Big Dipper in North America. In Japanese, it is most commonly referred to as 北斗七星 (hokutoshichisei), literally 'the seven stars of the Northern Dipper'. This guide covers how to refer to this star pattern in Japanese, including cultural and astronomical contexts.
Referring to the seven-star pattern in Ursa Major, commonly known as the Plough or Big Dipper.
Referring to the entire constellation Ursa Major, not just the Plough asterism.
北斗七星 (hokutoshichisei) refers specifically to the seven-star asterism (the Plough/Big Dipper), while おおぐま座 (oogumaza) is the entire constellation Ursa Major. In everyday conversation, 北斗七星 is much more common when pointing out the star pattern.
In Japan, the Big Dipper is traditionally seen as a ladle (ひしゃく) rather than a plough. The handle is called 柄杓 (hishaku), and the bowl is 斗 (masu). This imagery is reflected in the word 北斗 (Northern Dipper).
The standard astronomical and everyday term for the Big Dipper/Plough. Literally 'Northern Dipper Seven Stars'. Used in both formal and casual contexts.
今夜は北斗七星がよく見える。
Tonight, the Big Dipper is clearly visible.
北斗七星は北の空にあります。
The Big Dipper is in the northern sky.
Short for 北斗七星. Common in compounds and more concise contexts, but still widely understood.
北斗の形はひしゃくに似ている。
The shape of the Big Dipper resembles a ladle.
A more poetic or traditional way to say 'the seven stars of the Northern Dipper'. Less common in modern everyday speech, but found in literature or songs.
北斗の七つ星が夜空に輝いている。
The seven stars of the Northern Dipper are shining in the night sky.
The Japanese name for the constellation Ursa Major. Use this when talking about the constellation as a whole, not just the seven stars.
おおぐま座は北半球で一年中見える。
Ursa Major is visible all year round in the northern hemisphere.