What is the luminosity of the Sun compared to the red dwarf star mentioned in the video?
Understanding Star Classification: Color and Surface Temperature

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Physics, Science
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10th Grade - University
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8000 times more
Equal
Twice as much
8000 times less
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which class does the Sun belong to based on its surface temperature?
Class B
Class O
Class G
Class M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the color of a star indicate about its characteristics?
Its age
Its distance from Earth
Its size
Its surface temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the peak wavelength of a star's light change as its temperature increases?
It shifts to longer wavelengths
It remains the same
It shifts to shorter wavelengths
It disappears
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the peak wavelength of a star with a temperature of 7000 Kelvin?
Just below 600 nanometers
Just above 700 nanometers
Just above 400 nanometers
Exactly 500 nanometers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does a blue star have the greatest luminosity?
It is the oldest star
It is closest to Earth
It has the highest temperature
It is the largest star
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy emitted per unit area per second as a star's temperature increases?
It fluctuates randomly
It increases
It remains constant
It decreases
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