Sol

Sol or the Sun was the home star of the Sol System, a planetary system about twenty-seven thousand light years from the galactic centre of Mutter's Spiral.

Historical Overview
Life evolved on at least 5 natural satellites orbiting Sol: Venus (PROSE: Venusian Lullaby), the twin planets of Earth and Mondas (TV: The Tenth Planet), Mars (TV: The Ice Warriors) and Planet 5 (TV: Image of the Fendahl) Venus supported native sentient life at only an early stage in its history. (PROSE: Venusian Lullaby)

Circa 12,000,000 BC the Time Lords placed the Planet 5 in a time loop, in effect destroying it. The Fendahl, which came from the Fifth Planet and which the Time Lords had intended to destroy, possibly destroyed life on Mars on its way to Earth. (TV: Image of the Fendahl)


 * An asteroid belt somehow resulted from the time looping of the fifth planet.

In the mid-20th century, the human of Earths began to explore their solar system via probes and, tentatively at first, with manned missions. The Moon was the first object in the Sol system to be visited by humans -- at least, according to the official historical record (TV: Blink, et al). Later, missions to Mars (TV: The Ambassadors of Death, The Waters of Mars) and other planets occurred.

Circa 2009, Earth was forceably relocated to the Medusa Cascade by the Daleks. The relocation of Earth seemed to have no lasting effects on the Sol system; even Earth's Moon remained in place until the Tenth Doctor returned Earth to its proper position. (TV: The Stolen Earth/Journey's End). The end result of the incident was that the general populace of Earth were now aware of the existence of alien life (TV: Children of Earth: Day One, et al), ushering in the planet's increased presence in interstellar affairs from the 21st century onward (TV: The Christmas Invasion, TV: Everything Changes, et al)

Around 2089, Susie Fontana Brooke, the granddaughter of Captain Adelaide Brooke piloted the first ever lightspeed ship from Earth to Proxima Centuri. Soon after that, the human race started colonising other star systems. (TV: The Waters of Mars)

Human scientists predicted solar flare activity would sterilise their homeworld of Earth and took measures to prepare for it. To this end, they left Earth in ships, amongst them Starship UK. (TV: The Beast Below) Though the dating remains unclear, Space Station Nerva may have gone into service as a refuge for humans and other life in cryogenic suspension. (TV: The Ark in Space)

Prior to 4000, Mavic Chen assumed the position of Guardian of the Solar System. Chen's secret allies, the Daleks, at the same time proposed to conquer the Sol system. (TV: Mission to the Unknown, The Daleks' Master Plan)

Circa 2,000,000, the Time Lords transported the entire solar system using a magnetron. (TV: The Mysterious Planet)


 * In some unknown way, the move once more devastated Earth, which less informed people attributed to solar flares.

In the 57th segment of Time the last humans left on Earth evacuated the planet because of the increasing danger that it would fall into the Sun. They fled to planets such as Refusis II and Frontios. (TV: The Ark, Frontios) The now uninhabited Earth was preserved by the National Trust and over the billions of years following was restored to a 'classic Earth' before it was finally destroyed by the expanding sun in the year 5.5/Apple/26. (TV: The End of the World)

Comings and Goings
During the time of the Silurians and Sea Devils, a rogue planet approached the orbit of their homeworld, Earth. (TV: Doctor Who and the Silurians) The Third Doctor told the Silurians that instead of crashing into the Earth, it became Earth's Moon.

Mondas, which originally orbited the Sun at the same distance as Earth, left orbit and wandered out further into the Sol system. Piloted by the Cybermen, it returned in 1986. (TV: The Tenth Planet)

In 2009, the Time Lord homeworld, Gallifrey, briefly materialised near the planet Earth, before being returned to its proper location. (TV: The End of Time)

The planetoid or moon Voga entered the solar system some time after the construction of the Nerva Beacon. (TV: Revenge of the Cybermen)

Circa 5000, the Fourth Doctor destroyed Saturn's moon, Titan in order to destroy a colony of the Swarm. (TV: The Invisible Enemy)

As noted above, the Earth was relocated at least twice, only to be either shortly or eventually returned to its original location (TV: The Mysterious Planet, The Stolen Earth).

Cultural and Religous Significance

 * In 100,000 BC a tribe of early humans worshipped Sol as Orb. (TV: An Unearthly Child)


 * In Mexico circa the 15th century, the timing of a solar eclipse had great religious significance. (TV: The Aztecs)

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