Astrophysics Test
Authored by Ahmed Nour
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of astrophysics?
The study of Earth's atmosphere
The exploration of space and celestial objects
The analysis of terrestrial ecosystems
The examination of human biology
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which galaxy is our solar system a part of?
Andromeda
Milky Way
Triangulum
Whirlpool
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the estimated number of stars in the Andromeda galaxy?
100 billion
500 billion
1 trillion
2 trillion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does gravitational field strength vary?
It is constant throughout the universe
It increases with distance from a celestial body
It varies depending on the mass and size of celestial bodies
It is stronger in the center of galaxies
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between orbital speed and orbital radius?
Orbital speed increases with orbital radius
Orbital speed decreases with orbital radius
Orbital speed is independent of orbital radius
Orbital speed is directly proportional to the mass of the orbiting body
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a comet as it approaches the Sun?
It moves slower due to gravitational pull
It heats up and loses mass
It changes its orbital path
It becomes a planet
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first stage in the life cycle of a star?
Main Sequence Star
Red Giant
Nebula
Supernova
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