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