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- 仙后座A源Cassiopeia A
- 仙后座A是有着300年历史的遗迹，成因是大质量恒星的超新星爆发。Cas A is the 300-year-old remnant created by the supernova explosion of a massive star.
- 这张壮观的仙后座A照片是迄今对爆发恒星的残骸拍摄过的最精细的照片。This spectacular image of the supernova remnant Cassiopeia A is the most detailed image ever made of the remains of an exploded star.
- 仙后座Cassiopeia
- 外源exogenous dna
- 不仅A而且not merely A but also B
- 同源性homology
- 与其说A不如说not so much A as B
- 源氏物语Genshi Monogatali
- 仙后座αα Cas
- A股A-share
- 始源origin
- 仙后座ββ Cas
- 信号源supply oscillator
- 仙后座δδ Cas
- 把A误以为take A for B
- 内源性endogenous
- 仙后座新星1572Nova Cassiopeiae 1572
- 维生素Avitamin(e)
- 源点source
