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USA 193

Started by turnipsock

Folding Space

Started by JohnLisk

How do I find north and south?

Started by paul.fr

Motive Force

Started by JohnLisk

The history of stars in a galaxy?

Started by another_someone

Underwater flame

Started by paul.fr

black holes and white card.

Started by paul.fr

Linux

Started by syhprum

What is the speed of gamma rays

Started by another_someone

Arecibo

Started by syhprum

 

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