Rogue planets: how wandering bodies in interstellar space ended up on their own

We now know of almost 5,000 planets outside the Solar System. If you were to picture what it would be like on one of these distant worlds, or exoplanets, your mental image would probably include a parent star – or more than one, especially if you’re a Star Wars fan.

But scientists have recently discovered that more planets than we thought are floating through space all by…

© La Conversation - vendredi 14 janvier 2022