Solar System Planets Trivia Quiz - Fact Republic

Planets quiz: Are you an astronomy ace?

Last 3 plays: Guest (7/10), Guest (3/10), Guest (5/10).

Quiz #
8

Updated
April 9, 2025

Qns
10

Avg Score
4.75

Plays
19

Question 1 of 10

Unlike other planets in our solar system, Uranus has a very unusual rotation. Which of these best describes Uranus's rotation?

Question 2 of 10

On which of these gaseous planets is it believed to literally rain diamonds in their interiors?

Question 3 of 10

Beyond Earth, which moon in our solar system is known to have liquids like methane and ethane on its surface?

Question 4 of 10

Which planet in our solar system boasts the fastest spin, completing a rotation in less than 10 hours, leading to it being flattened at the poles?

Question 5 of 10

Which planet in our solar system is unusual because it rotates in the opposite direction to most others and experiences no seasons?

Question 6 of 10

Which planet's existence was mathematically predicted by John Couch Adams before it was ever directly seen through a telescope?

Question 7 of 10

Consider the vast distance between the Earth and the Moon. Could all the other planets in our solar system fit in this space?

Question 8 of 10

In 1970, which nation achieved the first successful soft landing of a man-made probe on another planet, Venus?

Question 9 of 10

The Mars rover 'Spirit' experienced 'Cleaning Events' when its solar panels were unexpectedly cleaned by what Martian weather phenomenon?

Question 10 of 10

Jupiter is sometimes referred to as a 'failed star'. What key process did Jupiter lack the mass to initiate, preventing it from becoming a second sun in our solar system?

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