Solar System

Test created at: 2019-01-03 by Igor; number of questions: 20. Last time modified: 2019-03-20.
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Average score for this test is: 66.8% calculated only from first attempts (4 pcs.), last one was: 2025-12-25.

Q1: What is the force which keeps the solar system together?

centrifugal
gravity
magnetic
Good answeres: 1

Q2: What is the age of the Solar System?

6,400 years
6,400,000 years
6,400,000,000 years
Good answeres: 1

Q3: How many planets are in Solar System?

4
8
12
Good answeres: 1

Q4: What is Pluto (since 2006)?

planet
dwarf planet
moon
Good answeres: 1

Q5: Select four smaller inner terrestrial planets:

Earth
Jupiter
Mars
Mercury
Neptune
Saturn
Uranus
Venus
Good answeres: 4

Q6: What are terrestrial planets primarily composed of?

hydrogen and helium
dust
rock and metal
Good answeres: 1

Q7: Select gas giants:

Earth
Jupiter
Mars
Mercury
Neptune
Saturn
Uranus
Venus
Good answeres: 2

Q8: Select ice giants:

Earth
Jupiter
Mars
Mercury
Neptune
Saturn
Uranus
Venus
Good answeres: 2

Q9: How far is Earth from the Sun? 1 astronomical unit [1 AU] ≈

150,000,000 km = 93,000,000 mi
150,000 km = 93,000 mi
Good answeres: 1

Q10: How far is Jupiter from the Sun?

0.5 AU (astronomical unit)
2.1 AU
5.2 AU
29 AU
Good answeres: 1

Q11: How far is Neptune from the Sun? (the farthest planet in the system)

10.1 AU
30.1 AU
100.1 AU
Good answeres: 1

Q12: Select two smallest planets in Solar System:

Earth
Jupiter
Mars
Mercury
Neptune
Saturn
Uranus
Venus
Good answeres: 2

Q13: What is the planet distinguished by its extensive ring system?

Mercury
Saturn
Venus
Good answeres: 1

Q14: Is there a moon in Solar System larger than the smallest planet?

no
yes 1
yes, more than 1
Good answeres: 1

Q15: Where lies the asteroid belt? Between orbits of:

Mars and Jupiter
Saturn and Uranus
Venus and Earth
Good answeres: 1

Q16: How many times is the Sun larger than the Earth?

11×
109×
1009×
Good answeres: 1

Q17: How many times is the Jupiter larger than the Earth?

11×
109×
1009×
Good answeres: 1

Q18: How many times is mass of the Earth bigger than Mars mass?

2×
9×
20×
Good answeres: 1

Q19: Approximately, how many times is diameter of the Earth bigger than Mars diameter?

2x
9×
20×
Good answeres: 1

Q20: If the Sun–Earth distance is scaled to 100 meters, what would be the diameter of Earth?

0.8 mm
8 mm
8 cm
1 m
Good answeres: 1

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