Stellar Properties and Classification Quiz

Test your knowledge on stars! Questions cover abundance, lifespan, classification, and more. Get ready to dive into stellar astrophysics.

#1

Which of the following is the most abundant element in stars?

Hydrogen
Helium
Carbon
Oxygen
1 answered
#2

What is the approximate surface temperature of a red dwarf star?

20,000 K
10,000 K
5,000 K
3,000 K
1 answered
#3

What is the approximate mass of the Sun?

1 solar mass
10 solar masses
100 solar masses
1000 solar masses
1 answered
#4

What is the primary factor that determines the color of a star?

Surface temperature
Mass
Luminosity
Distance from Earth
1 answered
#5

What is the approximate radius of the Sun?

500,000 km
1 million km
5 million km
10 million km
1 answered
#6

What is the primary factor determining a star's main sequence lifetime?

Surface temperature
Mass
Luminosity
Distance from Earth
1 answered
#7

Which spectral type of star is the hottest?

O-type
M-type
G-type
K-type
1 answered
#8

Which of the following is NOT a type of binary star system?

Visual binary
Eclipsing binary
Red giant binary
Spectroscopic binary
#9

What is the approximate upper mass limit for a white dwarf star?

1.4 solar masses
3 solar masses
8 solar masses
20 solar masses
#10

Which of the following stars has the shortest lifespan?

Red dwarf
Blue supergiant
Yellow giant
White dwarf
#11

What is the primary process responsible for the energy production in stars like the Sun?

Nuclear fission
Nuclear fusion
Radioactive decay
Electron capture
#12

What is the final stage in the life cycle of a low-mass star?

Supernova
White dwarf
Neutron star
Black hole
#13

Which classification system categorizes stars based on their luminosity, spectral type, and evolutionary stage?

Hertzsprung-Russell diagram
Stellar parallax
Redshift
Blackbody radiation
#14

Which element is primarily produced during the helium fusion stage in high-mass stars?

Carbon
Iron
Oxygen
Helium
#15

What type of star is our Sun classified as?

White dwarf
Red giant
Main sequence
Supergiant
#16

What is the Chandrasekhar limit?

The maximum mass a neutron star can have
The minimum mass required for a star to undergo supernova
The maximum mass a white dwarf can have before collapsing into a neutron star
The minimum mass required for a star to become a red giant
#17

Which spectral feature is used to determine a star's chemical composition?

Balmer series
Hertzsprung gap
Fraunhofer lines
Zeeman effect

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