Webb Telescope Probes Rocky Planet In ‘Solar System 2.0’
This artist’s concept shows what the TRAPPIST-1 planetary system may look like. NASA/JPL-Caltech TRAPPIST-1 fascinates planetary scientists. Just 39 light-years from us exist seven planets orbiting a star. It’s not an exact match for our solar system—the host star is a red dwarf, a star much cooler than the sun—but all of the seven planets …