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Extremely Hard Science Quiz Even Einstein would scratch his head!
In physics, what property of an object is calculated by its mass times its velocity?
When was the element ununbium discovered?
A particle whose substructure is unknown is called a what?
Ananke moons can be found orbiting which planet?
The Titanic was sunk by what?
Skathi is a moon of which planet?
What type of ocean water is more dense?
The Cassini-Huygens probe was sent to visit which planet?
About how many stars are in the Milky Way?
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