Attached end-to-end, they'd extend almost from the Earth to the Sun [1]. Placed in a grid, they'd cover an area larger than Wales [2]. Piled on top of each ot

Attached end-to-end, they'd extend almost from the Earth to the Sun [1]. Placed in a grid, they'd cover an area larger than Wales [2]. Piled on top of each other, they'd reach a tenth the distance to the moon [3]. --- [1] https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28length+of+an+A4+sheet%29+%2F+1+AU https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28leng... [2] https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28area+of+an+A4+sheet%29 https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28area... [3] https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28thickness+of+a+sheet+of+paper%29+%2F+%28distance+to+moon%29 https://www.wolframalpha.com/input?i=449.5+*10%5E9+*+%28thic...