안타레스 vs 베텔게우스

Property 안타레스 베텔게우스
명칭 21Alp Sco 58Alp Ori
별자리 Scorpius Orion
분광형 Class M — M-type (Red) Class M — M-type (Red)
겉보기 등급 +1.06 +0.45
절대 등급 -5.09 -5.47
거리 554 ly 498 ly
질량 N/A N/A
반지름 N/A N/A
온도 N/A N/A
광도 N/A N/A

Key Differences

  • ◆ 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.

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