ガス状じょう星せい雲うん

noun

gaseous nebula

Technical term in astronomy for a nebula composed primarily of gas, as opposed to dust or plasma.

• オリオン大だい星せい雲うんは代だい表ひょう的てきなガス状じょう星せい雲うんの一ひとつです。

  The Orion Nebula is one of the most famous gaseous nebulae.