Astronomers identify fastest known planet system traveling at 1.2 million mph

Astronomers have potentially discovered the fastest planet system ever, moving at speeds of at least 1.2 million miles per hour. This surpasses the previous record held by Mercury, which orbits the Sun at about 110,000 mph. The system consists of a low-mass star and a planet, referred to as a "super-Neptune." If confirmed, it would be the first planet found orbiting a hypervelocity star, which are known to move extremely fast. The star is located approximately 24,000 light-years away in the Milky Way's galactic bulge. Researchers are conducting further observations to verify the star's speed and direction. The findings were published in The Astronomical Journal.