Kata Kunci Pencarian:
- Theta Boötis
- Milenium ke-5 SM
- Theta Boötis
- Boötes
- Draco (constellation)
- Lambda Boötis
- List of star systems within 45–50 light-years
- Asterism (astronomy)
- Double star
- Theta Hydrae
- Table of stars with Bayer designations
- Diffraction