Question:
104 Polaris iscep ' Antares 10 Spica 10- Capella Regulus Algol Casto Arcturus Mira Aldebaran Mizar 10 Sirius Pollux Solar lumino

104 Polaris iscep ' Antares 10 Spica 10- Capella Regulus Algol Casto Arcturus Mira Aldebaran Mizar 10 Sirius Pollux Solar luminosities Altair • Procyon o Centauri A Sun 1 Ceti- 10-1 a Centauri B 102 Sirius B 103 Procyon 8 104 105 105 20,000 3000 2000 10,000 5000 Surface temperature (kelvins) Which of the stars above is currently fusing elements heavier than hydrogen at its core? ho a. Sirius B b. the Sun c. Betelgeuse od Altair