File:Artist's impression of the ultracool dwarf star TRAPPIST-1 from the surface of one of its planets.jpg - Wikimedia Commons
TRAPPIST-1 c | The Universe of The Universe Wiki | Fandom
Why are TRAPPIST-1 planets unique? I mean they don't have anything special except they are orbiting a red dwarf. We even don't know if water is there. Why are they so special? -