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

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