Physics
Physics, 17.09.2019 18:00, beauburgess1108

The of a star determines its temperature and luminosity.
a. location
b. mass
c. width
d. density

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Physics, 13.07.2019 05:30, skyvargasov9cad
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
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Physics, 29.07.2019 14:20, yesimabadbih5147
5questions for 25 points don't answer the questions if you don't know it. all of the elements, except for hydrogen and helium, originated from the life and death of a a- galaxy b- planet c- moon d- star a main sequence star (such as our sun) is in a state of a- collapse b- equilibrium c- rapid expansion temperature affects a star’s color. the hottest stars appear to be what color? a- red b- yellow c- blue d- pink what determines the life cycle of a star? a- the temperature of the star. b- the luminosity of the star. c- the mass of the star. d- the color of the star. there are billions of stars in the universe. how are they classified? a- by their temperature and luminosity b- by their color and luminosity c- by they size and shape d- by their shape and brightness
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Biology, 22.08.2019 08:30, asenath6636
The of a star determines its temperature and luminosity. a. density. b. mass. c. location. d. width
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