矮わい小しょう不ふ規き則そく銀ぎん河が

• 矮わい小しょう銀ぎん河が

  矮小銀河 is a broader term for any dwarf galaxy, while 矮小不規則銀河 specifically refers to the irregular subtype.

• 不ふ規き則そく銀ぎん河が

  不規則銀河 is an irregular galaxy of any size; 矮小不規則銀河 specifies a dwarf-sized irregular galaxy.

• 矮わい小しょう不ふ規き則そく銀ぎん河が

  Standard kanji spelling for this astronomical term.

• わい小しょう不ふ規き則そく銀ぎん河が

  Mixed kana-kanji spelling; 矮 is a non-jōyō kanji, so this form may be used for readability.

Compound of 矮小 (わいしょう, 'dwarf, diminutive'), 不規則 (ふきそく, 'irregular'), and 銀河 (ぎんが, 'galaxy'). A direct translation of the English astronomical term 'dwarf irregular galaxy'.