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