crab nebula

英 美
  • 蟹状星云
  • crab n.蟹;阴虱;爱争吵的人;[植]山楂子v.捕蟹;使横行;批评;抱怨
  • nebula n.[天]星云;[医]角膜云翳
Noun:
  1. a remnant of a supernova detected first in 1054 AD

    1. Its remnants form the Crab Nebula.
      它的残余物组成了蟹状星云。
    2. Today, the Crab Nebula is still expanding and it will eventually dissolve in the interstellar gas cloud nearby.
      蟹状星云仍然在膨胀最终会溶入星际物质而消散。