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Giant star: Quiz


Question 1: ________ (ο Ceti), a red (M-type) giant.
MiraKappa1 CetiTau Ceti94 Ceti

Question 2: At this point, the surface temperature of the star, now typically a red giant, will remain approximately constant as its ________ and radius increase drastically.
Absolute magnitudeSiriusApparent magnitudeLuminosity

Question 3: Eventually the star will start to ascend the red giant branch on the ________.
Hertzsprung–Russell diagramBinary starStellar classificationMain sequence

Question 4: The luminosity of the star decreases, its outer envelope contracts again, and the star leaves the ________.
Stellar evolutionMain sequenceRed giantSupernova

Question 5: If a star is more massive than 0.25 solar masses, then when it consumes all of the ________ in its core available for fusion, the core will begin to contract.

Question 6: [1] Typically, giant stars have radii between 10 and 100 solar radii and luminosities between 10 and 1,000 times that of the ________.
Solar SystemSunEarthJupiter

Question 7: A giant star is a star with substantially larger radius and ________ than a main sequence star of the same surface temperature.
Absolute magnitudeLuminositySiriusApparent magnitude

Question 8: [2][3] A hot, luminous ________ star may also be referred to as a giant.
Main sequenceSupernovaStellar classificationWhite dwarf

Question 9: Stars still more luminous than giants are referred to as supergiants and ________.
HypergiantSupernovaLuminous blue variableMagnetar

Question 10: A star becomes a giant star after all the ________ available for fusion at its core has been depleted and, as a result, it has left the main sequence.

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