Despite not being habitable, they are remarkable in another way: all six planets are precisely coordinated with each other in their orbit.
NASA’s Transiting Exoplanet Survey Satellite (TESS) discovered two exoplanets orbiting the star for the first time in 2020.
The satellite, known as Exoplanet Hunter, spotted the pair by measuring changes in brightness as they passed over their host star.
The planet closest to the star revolves around it in only nine days.
Although there were some indications that other planets might pass over the star, astronomers suspected that they were orbiting over long periods of time.
HESS is designed to scan the sky for a few weeks, so it was not the best hunter for planets with long orbits.
So the European Space Agency’s Cheops satellite, which can target a star for longer periods of time, was brought in to give chase.
Over time, Cheops managed to discover four more planets.