Latest observations of L98-59d, about 35 light years from Earth, suggest it could be different to anything seen before Latest observations of L98-59d, about 35 light years from Earth, suggest it could be different to anything seen before Astronomers have identified a planet composed of molten lava, suggesting the existence of an entirely new category of liquid planet. The distant world, known as L98-59d, is about 1.6 times the size of Earth and orbits a small red star 35 light years away.