Capella vs Pollux
| Thuộc Tính | Capella | Pollux |
|---|---|---|
| Ký Hiệu | 13Alp Aur | 78Bet Gem |
| Chòm Sao | N/A | Gemini |
| Phân Loại Quang Phổ | Class M — M-type (Red) | Class K — K-type (Orange) |
| Cấp Sao Biểu Kiến | +0.08 | +1.16 |
| Cấp Sao Tuyệt Đối | -0,51 | 1,08 |
| Khoảng Cách | 42.8 ly | 33.8 ly |
| Khối Lượng | N/A | N/A |
| Bán Kính | N/A | N/A |
| Nhiệt Độ | N/A | N/A |
| Độ Sáng | N/A | N/A |
Sự Khác Biệt Chính
- ◆ Both are among the nearest and brightest giant stars to the Sun.
- ◆ Capella is the sixth-brightest star and is actually a quadruple system with two G-type giants as the primary pair.
- ◆ Pollux is the single nearest giant star, hosting a confirmed exoplanet.
- ◆ Capella is at ~43 light-years; Pollux is closer at ~34 light-years.
- ◆ The primary pair of Capella orbits each other every 104 days and are not resolvable by eye.