An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
According to a study by the National Science Foundation, only half of Americans believe in evolution, and one in 4 don't know that the Earth orbits the Sun.
14
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
Sound doesn't travel in space.
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