NASA's TESS spacecraft is continuing to find ever-smaller planets -- and that now includes planets smaller than the human homeworld. The vessel has found a planet in the L 98-59 system, L 98-59b, that's 80 percent the size of Earth -- and 10 percent...
NASA’s TESS spacecraft discovers its smallest exoplanet to date
NASA's TESS spacecraft is continuing to find ever-smaller planets -- and that now includes planets smaller than the human homeworld. The vessel has found a planet in the L 98-59 system, L 98-59b, that's 80 percent the size of Earth -- and 10 percent...