cometray H II region
相关英语词汇推荐
- Geneva color system
- bipolar planetary nebula
- dense star cluster
- plane of trajectory orbital
- Hubble distance
- Great White Spot
- focal plane spectrometer
- membership of cluster
- Compton loss
- Flat Spectrum Radio Quasars
- metallicity gradient
- terminal-age main sequence(TAMS)
- moderate-resolution spectrograph
- NOAO,National Optical Astronomical
- initial planet
- MGS,Mars Global Surveyor
- starburst galaxies
- global positioning system
- standard rotational velocity star
- subdwarf B star