单词	circumstellar disk
释义	circumstellar disk noun : a ring of gaseous matter surrounding a star For the next several million years, this brand new solar system retains its circumstellar disk, where planets slowly accumulate into alien worlds. Fred Adams and Gregory Laughlin, The Five Ages of the Universe, 1999 As angular resolution improved and it became possible to observe young stars at infrared (IR) wavelengths, the jets were seen to emerge along the polar axes of structures called circumstellar disks that consist of gas and dust orbiting the stars in relatively thin planes. C. Robert O'Dell et al., Science, 30 May 1997 compare accretion disk Word History First Known Use 1972, in the meaning defined above
随便看	long hauler long haulers long hauls long hop long horse long hours long hundred long hundredweight long hunter long in coming long in the tooth long iron Long Island Long Island City Long Island Sound long islander long Jack long jenny long John long johns long jump long jumper Long Knife long leg long live

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