Question 1

Approximately how old is the universe?

Accepted Answer

31.7 billion years old

Question 2

What is the most common type of galaxy in the universe?

Accepted Answer

Elliptical galaxies

Question 3

What is another name for the North Star?

Accepted Answer

Polaris

Question 4

What is the most common type of star found in the Milky Way?

Accepted Answer

Red dwarf stars

Question 5

Which star is the closest to Earth outside of the Sun?

Accepted Answer

Proxima Centauri

Question 6

What is the location of the Oort Cloud?

Accepted Answer

Beyond Neptune, in the solar system's outermost zone

Question 7

Approximately how many miles is a light year?

Accepted Answer

5.88 trillion miles

Question 8

What accounts for approximately 85% of matter in the universe?

Accepted Answer

Dark matter

Question 9

What is the coldest place in the universe?

Accepted Answer

The Boomerang Nebula

Question 10

How many stars are in the Milky Way?

Accepted Answer

100 billion stars

Question 11

What is the name of the main theory that describes how our universe was created?

Accepted Answer

The Big Bang Theory

Question 12

What type of galaxy is the Milky Way?

Accepted Answer

Barred spiral

Question 13

What color is the hottest kind of star?

Accepted Answer

Blue

Question 14

What number of galaxies are known to us?

Accepted Answer

Two trillion

Question 15

What proportion of sun-sized stars have planets orbiting them?

Accepted Answer

22%

Question 16

What is the estimated number of solar systems in the Milky Way?

Accepted Answer

3,196

Question 17

How long does each season last on Neptune?

Accepted Answer

Approximately 40 years

Question 18

What are storms produced by the sun called?

Accepted Answer

Solar storms

Question 19

Which is the only planet in our solar system not named after a god?

Accepted Answer

Earth

Question 20

What is the approximate number of Earths that might fit within the sun?

Accepted Answer

1.3 million

Question 21

What is the sun's outermost layer of the atmosphere called?

Accepted Answer

Corona

Question 22

Which celestial body is the third brightest in our sky?

Accepted Answer

Venus

Question 23

What color is the sunset on Mars?

Accepted Answer

Blue

Question 24

Which two planets have no moons?

Accepted Answer

Mercury, Venus

Question 25

Which planet has the most volcanoes?

Accepted Answer

Venus

Question 26

What does Pluto not fit the definition of a planet?

Accepted Answer

It hasn’t cleared the area around its orbit

Question 27

Which planet has the most moons?

Accepted Answer

Saturn

Question 28

What is the duration of a year on Jupiter in Earth years?

Accepted Answer

12 years

Question 29

In what year did Pluto become reclassified as a dwarf planet?

Accepted Answer

2006

Question 30

What proportion of our solar system's mass is made up of the planets?

Accepted Answer

0.14%

The Universe Quiz

2) What is the most common type of galaxy in the universe?

3) What is another name for the North Star?

4) What is the most common type of star found in the Milky Way?

5) Which star is the closest to Earth outside of the Sun?

6) What is the location of the Oort Cloud?

7) Approximately how many miles is a light year?

8) What accounts for approximately 85% of matter in the universe?

9) What is the coldest place in the universe?

10) How many stars are in the Milky Way?

11) What is the name of the main theory that describes how our universe was created?

12) What type of galaxy is the Milky Way?

13) What color is the hottest kind of star?

14) What number of galaxies are known to us?

15) What proportion of sun-sized stars have planets orbiting them?

16) What is the estimated number of solar systems in the Milky Way?

17) How long does each season last on Neptune?

18) What are storms produced by the sun called?

19) Which is the only planet in our solar system not named after a god?

20) What is the approximate number of Earths that might fit within the sun?

21) What is the sun's outermost layer of the atmosphere called?

22) Which celestial body is the third brightest in our sky?

23) What color is the sunset on Mars?

24) Which two planets have no moons?

25) Which planet has the most volcanoes?

26) What does Pluto not fit the definition of a planet?

27) Which planet has the most moons?

28) What is the duration of a year on Jupiter in Earth years?

29) In what year did Pluto become reclassified as a dwarf planet?

30) What proportion of our solar system's mass is made up of the planets?