that would probably spell doom for the planets within its orbit." More information: Emily Simpson et al, How might a planet between Mars and Jupiter influence the inner solar system? Effects on ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

These rings form when planets' gravities tug dust grains into orbit around the sun ... the use of any information through the EurekAlert system.

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in circular orbits around the Sun on a flat disk. But in reality, our Solar ...