Imagine that an astronomer discovers a new star with a surface temperature of 12,000 k and a luminosity 100 times greater than the sun. details of the spectra indicate that it is on the main sequence. which of these would be the best estimate for its mass? o about 1/2 the mass of the sun o about the same mass as the sun o about 7 times the mass of the sun o about 13 times the mass of the sun d question 10 1 pts a spectrum is measured for a new star. it has a temperature of about 4000 k, and it is on the main sequence. which of the following statements would be correct estimates for other properties? o i it has a luminosity of about 0.001 and a mass of about 0.1 times the mass of the sun o it has a luminosity of about 1 and a mass that is about the same as the mass of the sun o it has a luminosity of about 100 and a mass of about 5 times the mass of the sun o it has a luminosity of about 0.05 and a mass of about 0.4 times the mass of the sun macbook air oo a fs 17 sk 4 5 7 8 9