
NASA's Spitzer Space Telescope has revealed the first known system of seven Earth-size planets around a single star. Here's a link to the article: https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around.
So maybe some day, we'll be traveling around the 'Verse' ala Firefly, in the Trappist-1 system. Shiny!