All objects in the solar system orbit the Sun. Some move quickly ... just as the Moon shines by reflecting sunlight at night. The Moon shines at night because it reflects sunlight. If planet X exists, ...
A team of scientists from the Lunar and Planetary Laboratory at the University of Arizona, TU Delft, and Caltech has developed a new method to compute how tides affect the interiors of planets and ...
A mini-moon that has been orbiting Earth for the past two months will peel away from our planet's orbit today (Nov. 25) as it prepares for a decades-long jaunt through the solar system.