nebula

n.

星云；星云状的星系；

复数：nebulasnebulae

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。

Protoplanet Migration by Nebula Tides ☆
Condensation in the primitive solar nebula
The ISO/LWS spectrum of the EGG nebula, AFGL 2688.
Magnetohydrodynamic model of Crab nebula radiation
Aerodynamics of solid bodies in the solar nebula
A Preliminary Study of the Orion Nebula Cluster Structure and Dynamics
Rotation of the Andromeda Nebula from a Spectroscopic Survey of Emission Regions
On the Stellar Population and Star-Forming History of the Orion Nebula Cluster
Structure of the Solar Nebula, Growth and Decay of Magnetic Fields and Effects of Magnetic and Turbulent Viscosities on the Nebula
The rich O II recombination spectrum of the planetary nebula NGC 7009: new observations and atomic data