Oldest Known Moons - Statistics

General Stats

Answer Stats

Year of discovery	Planet	Answer	% Correct
1610	Jupiter	Io	97%
1610	Jupiter	Europa	94%
1610	Jupiter	Ganymede	94%
1655	Saturn	Titan	92%
1877	Mars	Deimos	88%
1877	Mars	Phobos	88%
1610	Jupiter	Callisto	83%
1846	Neptune	Triton	81%
1787	Uranus	Titania	78%
1787	Uranus	Oberon	73%
1672	Saturn	Rhea	67%
1851	Uranus	Umbriel	67%
1851	Uranus	Ariel	66%
1671	Saturn	Iapetus	64%
1789	Saturn	Mimas	64%
1789	Saturn	Enceladus	63%
1684	Saturn	Tethys	63%
1684	Saturn	Dione	61%
1898	Saturn	Phoebe	42%
1892	Jupiter	Amalthea	41%

Score Distribution

Percent of People with Each Score

Percentile by Number Answered

Your Score History

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