Most of the major bodies of the Solar System orbit the Sun in nearly t... - dofaq.co
ecliptic

Most of the major bodies of the Solar System orbit the Sun in nearly t...

wikipedia - 06 Feb 2017
Most of the major bodies of the Solar System orbit the Sun in nearly the same plane. This is likely due to the way in which the Solar System formed from a protoplanetary disk. Probably the closest current representation of the disk is known as the invariable plane of the Solar System. Earth's orbit, and hence, the ecliptic, is inclined a little more than 1° to the invariable plane, and the other major planets are also within about 6° of it. Because of this, most Solar System bodies appear very close to the

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