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A4
Exploring the universe through a piece of A4 paper
Gareth Branwyn
heliocentrism
An Original Theory or New Hypothesis of the Universe, from 1750
Thom Dunn
The Universe
How to calculate the power of a black hole collision
Thom Dunn
scale
An LCD pixel and a grain of sand are roughly the same size
Maggie Koerth
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