Astronomers have discovered the planet Kepler-88 d, whose mass is three times the mass of Jupiter, The Astronomical Journal reported. “Cosmic hero” is located at a distance of 1243 light years from Earth in the Kepler-88 system. The planet revolves around its star every four years, its orbit is not round, but elliptical. This is the fourth planet discovered in the Kepler-88 system. Scientists are confident that the discovery will allow better study of their interaction. By the way, it took astronomers six years, during which they studied data from the Keck I telescope with a high-resolution HIRES spectrometer.