Which planet rotates on its side, tilted at about 98 degrees?
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Correct!
Wrong!
A giant impact is the leading explanation.
What is the largest moon in the Solar System?
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Correct!
Wrong!
Jupiter’s Ganymede is larger than Mercury.
Which moon of Saturn has a thick atmosphere and lakes of liquid methane?
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Correct!
Wrong!
It is the only moon known to have a dense atmosphere.
The asteroid belt lies between which two planets?
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Correct!
Wrong!
It holds millions of rocky bodies.
In which year was Pluto reclassified as a dwarf planet?
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Correct!
Wrong!
The IAU adopted a formal definition of a planet that year.
What is Jupiter’s Great Red Spot?
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Correct!
Wrong!
The storm has been observed for well over three centuries.
Which planet has the longest rotation, taking about 243 Earth days?
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Correct!
Wrong!
Venus also rotates in the opposite direction to most planets.
Roughly how long does sunlight take to reach Earth?
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Correct!
Wrong!
Light covers the 150 million km in around 8 minutes 20 seconds.
Which moon is the most volcanically active body in the Solar System?
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Correct!
Wrong!
Jupiter’s tidal forces keep its interior molten.
What is Olympus Mons?
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Correct!
Wrong!
It rises roughly 22 km, far taller than Everest.
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