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