1. What is the universe?
A. A collection of stars and planets
B. The entirety of space and everything in it
C. A galaxy containing our solar system
2. How old is the universe?
A. Approximately 10,000 years
B. About 4.5 billion years
C. Around 13.8 billion years
3. What is the Big Bang?
A. An explosion that created the universe
B. A theory about the beginning of the universe
C. A term for the expansion of the universe
4. What is dark matter?
A. Unseen matter believed to make up a significant portion of the universe
B. Matter that absorbs all light and cannot be detected
C. A type of energy that makes up the majority of the universe
5. What is a galaxy?
A. A large group of stars, gas, and dust held together by gravity
B. A single star with several orbiting planets
C. A type of astronomical event
6. How many galaxies are there in the observable universe?
A. About 100
B. Millions
C. Billions
7. What is a black hole?
A. A region of space with a strong gravitational pull that nothing can escape from
B. A type of star that emits only black light
C. A region where time and space do not exist
8. What is dark energy?
A. A force that counteracts gravity's effect on the expansion of the universe
B. A type of radiation emitted by dying stars
C. A substance that makes up the majority of the universe's mass
9. What is the cosmic microwave background radiation?
A. Radiation left over from the Big Bang
B. Radiation emitted by microwave ovens
C. A type of radiation that occurs in deep space
10. What is the ultimate fate of the universe?
A. It will continue expanding indefinitely
B. It will collapse in on itself
C. It will reach a perfect state of equilibrium
The universe introduction quiz
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