👉 Lunars is a concept in astronomy that refers to a hypothetical planet or celestial body that has been orbiting the Sun for billions of years. It was proposed by astronomer Johannes Kepler and first described by the Roman astronomer Petrus Apollonius in his work "De Revolutionibus Orbium Coelestianum" (On the Revolutions of the Heavenly Spheres). The term "lunars" is also used to refer to a hypothetical planet that has been orbiting around
