AFAIK the observable universe is limited by the parts of space which expand faster than the speed of light.Some billions of years later and we might have not seen other galaxies at all, maybe we are lucky.
Subsidizing European goods would cost a lot of money, break tons of trade agreements and hit all non-European countries.I think targeting specific US luxury products is a good way to retaliate the orange idiots tariff trolling.
Nuclear works well for FranceApart from that the plants don't work in summer and the prices have to be capped/subsidized to keep power affordable...
I have trouble comprehending the size of the IceCube detector in Antarctica, which is one cubic kilometer big.
*Trump voters