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|Also called:||Planet 14, Marinus|
|Location:||The solar system|
|Natives:||Cybermen, Mondasians, Lizard Kings, Mondasian Sea Devils|
|First seen in:||The Tenth Planet|
Mondas was the twin planet of Earth and original homeworld of the Cybermen. In ancient times, it was dislodged from its old position out into space when the Moon was formed. The Cybermen eventually learned to pilot their planet and took Mondas back to Earth, where it was destroyed.
Native life Edit
Originally, the Mondasians resembled the humans of Earth in every respect. (TV: The Tenth Planet, AUDIO: Spare Parts) Some accounts show that in the same way that parallels to humans existed on Mondas, Lizard Kings and Sea Devils shared the planet with dinosaurs, Cybermen, (COMIC: The Dead Heart) and apes. (COMIC: The Prodigal Returns) Golgoth, a bipedal reptilian god in physical form, also lived on Mondas at this time. (COMIC: The Cybermen)
Mondas was identical to Earth, even down to the size and shapes of its continents. The one major way that it differed to Earth was that its continent were upside down in relation to Earth. However, it had no visible clouds in its atmosphere at that time. (TV: The Tenth Planet)
According to one account, Mondas originated as Marinus, a planet previously visited by the First Doctor, the Cybermen having "quick-evolved" from the Voord. This account claimed that Marinus was known as Planet 14. (COMIC: The World Shapers)
Under Lizard King rule Edit
A cosmic cloud once appeared near Mondas. A Cyberman from the future came through the cloud and was captured by the Lizard Kings. At this point, the Lizard Kings had never encountered Cybermen before. They were intruiged by the cloud the Cyberman came from and sent a modified ape through the cloud to investigate if it was a viable way to escape the rogue planet which was approaching Mondas fast.
The Lizard Kings never left Mondas, (COMIC: The Prodigal Returns) and the sudden arrival of a moon between Earth and Mondas caused an upset in the gravitational equilibrium of Mondas, causing it to escape its orbit (AUDIO: Spare Parts) and begin drifting on a journey to "the edge of space". (TV: The Tenth Planet)
While parts of Mondas still had a tropical climate, the Lizard Kings encountered the Cybermen of their own time and warred with them. (COMIC: The Dead Heart) Golgoth appeared and destroyed all but one Cyberman and finally destroyed the lone survivor. (COMIC: The Cybermen: ?)
Evolution of the Cybermen Edit
A cosmic cloud appeared near Mondas, providing a temporal link to its past. After an ape modified by the Lizard Kings came through the cloud and was captured by Cybermen, they became curious about the cloud and decided to send a scout through it see if there were more apes that could be converted into Cybermen on the other side. (COMIC: The Prodigal Returns)
Some centuries after, Cybermen had been wiped out and human-appearing Mondasians of roughly 20th century technological development had replaced them. Archaeologists discovered remnants of the Cybermen. (COMIC: The Ugly Underneath)
Further away from the life-giving warmth of Sol, conditions on the planet grew steadily worse. This forced the inhabitants to relocate underground in order to survive. They had by this time developed a society parallel to that of 1950s England. The Cybermen took over and enforced cyber-conversion for the surviving Mondasians. (AUDIO: Spare Parts) One Cybermen faction, the Mondans, decided to stay on their homeworld. Another group, the Faction, more committed to total cybernetic conversion, pushed outwards in the solar system and colonised Planet 14. (PROSE: Iceberg)
Return of Mondas Edit
In December 1986, the Cybermen invaded the Snowcap tracking base in Antarctica while Mondas drew closer, draining Earth's energy to replace and supplement its own. However, the energy absorbed was too much, and Mondas disintegrated. The destruction of Mondas destroyed all of the Cybermen on Mondas and also killed all of the Cybermen on Earth, who were dependent upon Mondas for energy. As the planet plundered Earth's energy, the First Doctor's life-force was caught up in the maelstrom, triggering his regeneration into his second incarnation. (TV: The Tenth Planet) The Sixth Doctor would note Mondas' destruction as being part of the Web of Time as he thwarted an attempt made by future Cybermen in the previous year to save Mondas. (TV: Attack of the Cybermen)
Behind the scenes Edit
Origins of the concept Edit
The idea of a parallel Earth opposite in orbit to Earth itself has occurred in pre-modern astronomy (Counter-Earth) and some works of science fiction, though modern astronomers consider this unfeasible due to the orbital mechanics involved. The idea had earlier almost appeared in Doctor Who in the proposed Malcolm Hulke story The Hidden Planet. Apart from this, the idea occurs in countless comics, movies, novels and short stories.
Continuity conflicts and ambiguities Edit
Iceberg and Doctor Who: Cybermen, by David Banks, who had also played the Cyber-Leader on Doctor Who, explain it differently. According to the later, non-narrative reference guide, which this wiki does not consider to be a valid source, the drive which propelled Mondas through space was developed during the journey to "the edge of space" in order to effect a controlled return to their original orbit.