focusing X-ray telescope
相关英语词汇推荐
- proto-galactic object
- Vilnius color system
- star-formation burst
- accreting binary
- Foucaultgram
- starburst
- abundance effect
- standard rotational velocity star
- halo dwarf
- plateau phase
- hypergiant
- diagonal mirror
- finder-circle
- mesogranulation
- Hipparcos Catalogue
- heliomagnetosphere
- classical quasar
- WR nebula,Wolf-Rayet nebula
- Desdemona
- reddened galaxy