A team of astronomers believe they have located the location of the famous Planet Nine, the hypothetical icy world that could exist in the outer solar system.
Something has chirality if its image in a flat mirror, ideally realized, cannot coincide with itself; for example, the left hand versus the right, as opposed to a cube or a sphere. From this concept derives one of the greatest mysteries of science.
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.