StoneRoad2013's photos with the keyword: planets

An artist's impression of the planets, from the sun outwards - not to scale & ignores the asteroid belt ... Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune . [nicked off the BBC] Not my Image : fair use & public education

The planetary orbits are roughly circular, and more or less on the same plane. However, most comets and some asteroids have much more elliptical orbits and usually these are inclined at an angle to the planetary orbits. [above diagram is not to scale] . Not my image : fair use & public information