These mysterious ghostly radio circles from deep space have been captured thanks to the South African telescope MeerKAT, a radio telescope with 64 antennas.
The seasons are something natural, but their astrophysical origin is not trivial, and the seasons on other planets can be very different from those on Earth.
There are millions of asteroids between the orbits of Mars and Jupiter, ranging in size from just a few millimeters to nearly 1,000 kilometers. How did they get there?
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.
