On Thursday, the earth will be at the nearest point to the sun. It will be at Perihelion at a point 0.983 Astronomical Units from the sun. On July 4, however, the earth will be at Aphelion ie......
Our solar system may host a ninth planet that is 10 times the mass of the Earth and takes up to 20,000 years to orbit the Sun in a bizarre, highly elongated path. The object, nicknamed Planet Nine,......