41+ Astronomy Trivia Questions and Answers [Solar System, Milkey Way & Universe]

Our universe has been full of unknown incredible and wired things. The phenomena of movement never stop until it discharged, like the movement of planets and the centripetal force of the sun. The estimation and discovery of something in space still open-ended by expert scientists.

This section is concerning mind-blowing quiz topics about Sun, Moon, Galaxies, and our entire universe, in short, it’s all about astronomy. Read a complete astronomy trivia questions arrangements and ensure your understanding concerning the science of our universe.

List of Astronomy Trivia Questions and Answers

Universe Trivia: –

1. What is the life span of our universe?
   Answer

   13.7 billion years
2. What is the structure of our Universe?
   Answer

   Flat
3. Are the vast empty spaces in-universe are known as?
   Answer

   Voids
4. Does our universe have a center?
   Answer

   No
5. The view of nearly 10,000 galaxies is called?
   Answer

   Hubble Ultra Deep Field
6. How old our galaxy is?
   Answer

   800 million years old
7. Who made the revolutionary discovery that our universe is not static?
   Answer

   astronomer Edwin Hubble

Sun Trivia: –

1. What is the percentage of the mass of the sun according to our Galaxy’s mass?
   Answer

   99.80%
2. Our Sun is the heating chamber, do you know what kind of gases the sun mostly has?
   Answer

   Hydrogen and Helium
3. How many Earth could fit inside the sun according to its diameter?
   Answer

   1.3 million Earths
4. How many times sun larger than the earth by its diameter?
   Answer

   109 times
5. When did the sun formed and from where?
   Answer

   4.59 billion years ago from solar nebula

Mars Trivia: –

1. When did the planet Mars Named?
   Answer

   after the Roman god of war,
2. Due to Reddish Appearance, Mars also known as?
   Answer

   Red Planet
3. Inside the thin atmosphere composed primarily what kind of gas?
   Answer

   carbon dioxide
4. What is the length and diameter of the Olympus Mons situated on Mars?
   Answer

   21km high and 600km in diameter
5. What is the name of the planet that has the largest dust storm in our solar system?
   Answer

   Mars
6. Mars has two satellites like earth, What are they?
   Answer

   Phobos and Deimos

Milky Way Trivia: –

1. When did the planet Mars Named?
   Answer

   after the Roman god of war,
2. Due to Reddish Appearance, Mars also known as?
   Answer

   Red Planet
3. Inside the thin atmosphere composed primarily what kind of gas?
   Answer

   carbon dioxide
4. What is the length and diameter of the Olympus Mons situated on Mars?
   Answer

   21km high and 600km in diameter
5. What is the name of the planet that has the largest dust storm in our solar system?
   Answer

   Mars
6. Mars has two satellites like earth, What are they?
   Answer

   Phobos and Deimos
7. What is the diameter of the “Milky Way” galaxy?
   Answer

   12000 light year
8. What kind of elements the “Milky Way” made with?
   Answer

   Dark Matter and Luminous matter
9. What is the name of the largest Galaxy in our universe?
   Answer

   IC 1101
10. How many stars consist of in the milky way galaxy?
    Answer

    200 Billion
11. Like every galaxy Milky Way have also a black hole in its center, What is its name?
    Answer

    Sagittarius A*
12. What is the diameter of Sagittarius A* (Centered Blackhole in Milky Way)?
    Answer

    14 million miles
13. How old the Milky Way is?
    Answer

    13.6 billion years old

Solar System Trivia: –

1. Pluto demoted from planet classification and added to a new class known as?
   Answer

   dwarf planets
2. What is the Distance Between Sun and Venus?
   Answer

   48 Million Km
3. A Planet about 33 light-years away composed of different water elements called what?
   Answer

   Gliese
4. What is the temperature of the surface of the planet?
   Answer

   300′ C
5. There is a gas cloud made from Alcohol, How much bigger than our solar system?
   Answer

   1000 times

Information Source: –

• Space.com – 7 Surprising Things About the Universe by Denise Chow (Source)
• Space.com – Ten Interesting Facts About the Sun by FRASER CAIN (Source)
• Space-fact.com – Mars Facts by Team (Source)
• Umaine.edu – 10 Facts about Milky Way by Emalee Couture(Source)