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WorksheetsESRT Star Chart
Total questions: 15
Worksheet time: 4hrs 45mins
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
Polaris
Betelgeuse
Procyon B
Sirius
Which star is hotter, but less luminous, than Polaris?
Deneb
Aldebaran
Sirius
Pollux
Which two stars are most similar in luminosity?
Betelgeuse and Barnard's Star
Procyon B and Proxima Centauri
Polaris and the Sun
Alpha Centauri and Sirius
Compared the the Sun, the star Betelgeuse is
less luminous and warmer
less luminous and cooler
more luminous and warmer
more luminous and cooler
Which of the following are characteristic of the surface temperature and luminosity of some white dwarf stars?
Surface Temperature: 5,000 K Luminosity: 100
Surface Temperature: 5,000 K Luminosity: 0.001
Surface Temperature: 10,000 K Luminosity: 100
Surface Temperature: 10,000 K Luminosity: 0.001
Which star is more massive than our Sun but has a lower surface temperature?
40 Eridani B
Sirius
Aldebaran
Barnard's Star
For other stars in our galaxy that go through a similar life cycle to our Sun, which star is currently in the late stage of its life cycle?
Alpha Centauri
Procyon B
Bernard's Star
Polaris
Which star has a surface temperature most similar to the surface temperature of Alpha Centauri?
Polaris
Betelgeuse
Procyon B
Sirius
Which star is hotter, but less luminous, than Polaris?
Deneb
Aldebaran
Sirius
Pollux
Compared the the Sun, the star Betelgeuse is
less luminous and warmer
less luminous and cooler
more luminous and warmer
more luminous and cooler
What process produces large amounts of energy in a star by combining lighter elements into heavier elements?
Convection
Radiation
Radioactive Decay
Nuclear Fusion
A star in a galaxy has a surface temperature of 8,000 K and a luminosity of 10. Identify the stage and color of this star.
Super Giant and White
Main Sequence and Red
White Dwarf and White
Main Sequence and White
According to the attached diagram, what determines if a star becomes a Supergiant or a Giant?
How massive it is.
If it is on the main sequence or not.
The shape of the nebula.
