nebulas

n.

星云( nebula的名词复数 )；星云状的星系；

horsehead nebula[天文]马头星云

orion nebula猎户座星云；猎户星云

planetary nebula行星状星云

reflection nebula反射星云

emission nebula发射星云

1. Fine dust in the nebula reflects the light.
   星云中细致的尘埃反射了星光。
2. You can see nebulae in the clear summer sky.
   在晴朗的夏夜可以看到天上的星云。

Nebulas
Nebulas: using distributed voluntary resources to build clouds
Bi-Polar Emission Nebulas Signal Stellar Birth
Carbon abundance in planetary nebulas
Visualizing Stars and Emission Nebulas
Transition radiation and peculiar nebulas
NEBULAS: High performance data-driven event building architectures based on asynchronous self-routing packet-switching networks
Lines of carbon, nitrogen, and oxygen ions in the spectra of planetary nebulas. I. Transition probabilities and oscillator strengths
Fully relativistic study of forbidden transitions of O II : Electron density diagnosis for planetary nebulas
Lines of carbon, nitrogen, and oxygen ions in the spectra of planetary nebulas. II. Intensities of the C II and N III recombination ...