Not all volcanoes spew molten rock at thousands of degrees. Some, like those that could still be active on the dwarf planet Ceres, spew out liquid water.
According to theoretical calculations, the amount of lithium - that which we find in the batteries of our electronic devices - should be three times more than what we observe experimentally. Why is there such a discrepancy?
At first glance, all the stars seem to be at the same distance, but some are a few light years away and others thousands, how can you distinguish them?
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.