Proba-3 satellite: Seeing in the dark

One of the precision formation flying Proba-3 satellites as seen from the other during ground testing. The pair will fly in orbit relative to one another down to millimeter scale precision, but in order to do this must keep ...

How an earthquake becomes a tsunami

The movement between continental and oceanic plates at the bottom of the sea, so-called megathrust earthquakes, generates the strongest tremors and the most dangerous tsunamis. How and when they occur, however, has been poorly ...

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