Seleucus of Seleucia was an ancient astronomer who defended heliocentrism, arguing that Earth orbits the Sun and rotates on ...
Using the Five-hundred-meter Aperture Spherical radio Telescope (FAST), Chinese astronomers have detected a new ultra-faint ...
In the early seventeenth century, Copernicus' concept of a heliocentric universe was further ... "When I wrote my treatise about our system, I had my eye upon such principles as might work with ...
What if in fact the Sun is the centre of the solar system and all the planets, including the Earth, circle the Sun in orbits! My celestial model is called the Heliocentric planetary system.