The mass of a star may be determined
a) by studying its orbit around a binary companion.
b) by measuring its luminosity.
c) by determining its composition.
d) by measuring its Doppler shift.
Answer: a) by studying its orbit around a binary companion
The mass of a star may be determined
a) by studying its orbit around a binary companion.
b) by measuring its luminosity.
c) by determining its composition.
d) by measuring its Doppler shift.
Answer: a) by studying its orbit around a binary companion