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During which stage of development does the star have a cool surface temperature and the greatest luminosity?
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
Barnard's Star has a surface temperature of about
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
In order to position a star on an H-R diagram you must know at least the star's
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
Which characteristics best describe the star Betelgeuse?
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
By using a spectroscope an astronomer can
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
Giant stars have greater luminosity than our sun mainly because they are
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
Which process produces the energy radiated by the star when it becomes a main sequence star?
larger
color and apparent brightness
3000 ºC
reddish orange with high luminosity and low surface temperature
Polaris
nuclear fusion
giant
identify elements in the atmosphere of a star
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