Now, with the help of the Spitzer Space Telescope ... then the third planet's orbital period will be 4.5 days. The Trappist-1 system, which hosts seven planets and is located about 40 light ...
22 -- is just a small sampling of months of data collected by Kepler as it stared at TRAPPIST-1. The space telescope took photos of the star system for 74 days from Dec. 15, 2016 through March 4.
TRAPPIST-1 b, the innermost of seven known planets in the TRAPPIST-1 system, orbits its star at a distance of 0.011 AU, completing one circuit in just 1.51 Earth-days.
Researchers conducted an extensive 28-hour search for radio signals from potential alien civilizations in the TRAPPIST-1 star system ... could “leak” into space and be detectable from Earth ...