Antares vs Betelgeuse
| Thuộc Tính |
Antares
|
Betelgeuse
|
| Ký Hiệu |
21Alp Sco |
58Alp Ori |
| Chòm Sao |
Scorpius |
Orion |
| Phân Loại Quang Phổ |
Class M — M-type (Red) |
Class M — M-type (Red) |
| Cấp Sao Biểu Kiến |
+1.06 |
+0.45 |
| Cấp Sao Tuyệt Đối |
-5,09
|
-5,47
|
| Khoảng Cách |
554 ly |
498 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 famous red supergiants and iconic supernova candidates visible to the naked eye.
- ◆ Betelgeuse is significantly larger at ~887 R☉; Antares has a radius of ~680 R☉.
- ◆ Antares is in Scorpius and has long been compared to Mars due to its red colour; Betelgeuse marks Orion's shoulder.
- ◆ Antares is about 604 light-years away; Betelgeuse is approximately 700 light-years distant.
- ◆ Both show irregular variability and dramatic mass-loss through powerful stellar winds.