Cosmology Trivia Quiz Questions and Answers

Science trivia quiz questions with answers about Cosmology.

Cosmology Trivia Quiz Questions and Answers

1. How long does it take light from the sun to reach the earth?
    
2. How far is the moon from the earth?
    
3. How much bigger is the sun than the earth?
    
4. Which planet is closest to the sun?
    
5. What is the name of the most recently discovered planet?
    
 
6. What is the sun made out of?
    
7. What powers the sun?
    
8. How old is the sun?
    
9. How old is the earth?
    
10. How old is the universe?
     
11. Which planet spins the fastest?
     
 
12. Which planet spins the slowest?
     
13. How long is a Martian year?
     
14. Does the sun rotate?
     
15. How big is the milky way?
     
16. What is the Milky Way?
     
17. What star other than the sun is closest to the earth?
     

Answers to Daily Trivia Quiz # 105 - Cosmology

1. Approximately 8 minutes and 18 seconds.
    
 
2. The actual Earth-Moon distance ranges from about 360,000 to 405, 000 kilometers, depending on the position in the Moon's orbit.  (223,694 to 251665 miles)
    
3. The Earth is about 13 thousand kilometers (8000 miles) wide, whereas the Sun is roughly 1.4 million kilometers (900,000 miles) across.  If the Sun were a hollow ball, you could fit about one million Earths inside of it!
    
4. Mercury.
    
5. Quaoar.
    
6. The Sun is, at present, about 70% hydrogen and 28% helium by mass everything else amounts to less than 2%
    
7. Fusion, the same as a hydrogen bomb. 
    
8. About 5 billion years.
    
 
9. The earth is about 4.5 billion years old.
    
10. The Universe is at least 15 billion years old, but probably not more than 20 billion years old. 
     
11. Jupiter is the fastest spinning planet in our solar system rotating on average once in just under 10 hours.
     
12. Venus is the slowest spinning planet in the solar system. It rotates only once every two hundred forty-three Earth days
     
13. The orbital period of Mars is 686.9726 days.
     
14. The movements of the sunspots indicate that the Sun rotates once every 27 days at the equator, but only once in 31 days at the poles. 
     
 
15. The Milky Way is actually a giant, as its mass is probably between 750 billion and one trillion solar masses, and its diameter is about 100,000 light years.
     
16. The Milky Way is a spiral galaxy.
     
17. It is Proxima Centauri, the nearest member of the Alpha Centauri triple star system.