How sci-fi imagines inhabitable solar systems like TRAPPIST-1

Earlier this week, NASA announced that its scientists had discovered a seven-planet solar system orbiting a star named TRAPPIST-1. While “Earth-sized” doesn’t necessarily mean “able to support life,” it’s a good indicator that there are other systems out there that host multiple planets that may be habitable.
For science fiction authors, this is affirmation of a long-standing trope. For decades, authors have imagined solar systems with multiple Earth-like plan