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2017/3/18
Bonne fête aux Cyrille, Marthe, Salvator ...et surtout bon anniversaire à Marc Riess !

'Mars is essentially in the same orbit... Mars is somewhat the same distance from the Sun, which is very important. We have seen pictures where there are canals, we believe, and water. If there is water, that means oceans and oxygen. If oxygen, that means we can breathe.'
Vice President Dan Quayle

Visualisons la gravitation

Filed under: Science — admin @ 00:00:35




Webcam@Berninfo.ch


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