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Extremely Hard Science Quiz Even Einstein would scratch his head!
What year was the first transatlantic fibre-optic cable laid?
The first technical submarine was built in Germany in which year?
In 1693 Giovanni Zupi observed that which planet actually orbited the sun?
How many times hotter than the sun is a lightning bolt?
Which planet has a day which lasts the equivalent of 176 Earth Days?
Atlas is a moon of which planet?
Which planet is the smallest of the "Gas giants"?
Complete the name of a famous feature on Mercury "The Caloris _____"?
Electron configuration was first conceived by which model?
Most jellyfish live less than how long?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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Extremely Hard History Quiz, most people score only 3 out of 10.