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{{you may|Oxygen (TV story)|n1=the TV story}}
{{you may|Oxygen (TV story)|n1=the TV story}}
'''Oxygen''' was vital on [[space station]]s and [[spacecraft]] to allow said life forms to breathe. ([[TV]]: ''[[The Moonbase]]'')
{{first pic|Diving bell close up oxygen tanks.jpg|Oxygen tanks on a diving vessel. ([[TV]]: {{cs|The Sea Devils (TV story)}})}}
[[File:Diving bell close up oxygen tanks.jpg|thumb|Oxygen tanks on a diving vessel. ([[TV]]: ''[[The Sea Devils (TV story)|The Sea Devils]]'')]]
'''Oxygen''' was an [[element]] with the symbol '''O''' ([[PROSE]]: {{cs|Christmas on a Rational Planet (novel)}}) and [[atomic number]] 8. ([[TV]]: {{cs|Shada (TV story)}})
[[Adric]], [[Varsh (Full Circle)|Varsh]], and a number of other [[Alzarian]]s used oxygen cylinders against the [[Marshman|Marshmen]], causing a change in the [[atmosphere]] too quickly for them to adapt to. They then proceeded to flood the ship with the gas, forcing the Marshmen to flee. Their [[Starliner]] had an electrolytic power supply, enabling it to create its own oxygen. ([[TV]]: ''[[Full Circle (TV story)|Full Circle]]'')


[[Vionesium]] reacted with oxygen to produce light and [[carbon dioxide]] in large quantities. ([[TV]]: ''[[Terror of the Vervoids (TV story)|Terror of the Vervoids]]'')
Oxygen, like [[hydrogen]] and [[sodium]], had a unique emission wavelength that could be measured by a [[spectrograph]]. ([[TV]]: {{cs|The Sensorites (TV story)}})


By the [[51st century]], [[human]] space vessels could house oxygen factories in the form of synthetic forests, nicknamed "[[treeborg]]s". These used starlight to produce oxygen. ([[TV]]: ''[[Flesh and Stone (TV story)|Flesh and Stone]]'')
[[Earth]]'s atmosphere was 80% [[nitrogen]] and 20% oxygen, which was a sufficient atmosphere for human survival. ([[AUDIO]]: {{cs|The Resurrection of Mars (audio story)}}, [[TV]]: {{cs|The Doctor's Daughter (TV story)}})


[[Earth]]'s atmosphere was 80% [[nitrogen]] and 20% oxygen. In the [[23rd century]], the [[Eighth Doctor]] had altered [[Mars]]' atmosphere with the [[atmospheric re-ioniser]] on [[Deimos Moonbase]] to make it the same consistency, saving the human colonists below. ([[AUDIO]]: ''[[The Resurrection of Mars (audio story)|The Resurrection of Mars]]'')
[[Liquid]] oxygen could be abbreviated to "LOX". ([[TV]]: {{cs|Dalek (TV story)}})


There were oxygen factories on [[Venus]] during Empress [[Vulpina]]'s reign. ([[AUDIO]]: ''[[Voyage to Venus (audio story)|Voyage to Venus]]'')
== Biology ==
Oxygen was vital on [[space station]]s and [[spacecraft]] to allow some life forms, such as [[human]]s, to breathe. ([[TV]]: {{cs|The Moonbase (TV story)}}) If a human went without oxygen, they would die within three to four minutes of [[oxygen starvation]]. ([[TV]]: {{cs|The Seeds of Death (TV story)}})


On one day in the [[2010s]], [[tree]]s mysteriously grew across all the land on Earth. As the [[Twelfth Doctor]] discovered, it was a defence mechanism to protect the planet from the threat of a [[solar flare]] with excess oxygen. Once the solar flare struck and the worldwide [[forest]]'s work of preservation succeeded, it promptly regressed to its former state. ([[TV]]: ''[[In the Forest of the Night (TV story)|In the Forest of the Night]]'')
Other species (such as [[Time Lord]]s or [[Silurian]]s) could survive for longer than humans could with a lack of oxygen by storing it in their lungs or with a [[respiratory bypass system]]. ([[TV]]: {{cs|Four to Doomsday (TV story)}}, {{cs|Deep Breath (TV story)}})


The atmosphere of [[Izdaal]]'s tomb on Mars, while rich enough in [[nitrogen]] for the [[Ice Warrior]]s to thrive in, also had enough oxygen for humans and [[Time Lord]]s to breathe. ([[AUDIO]]: ''[[Red Dawn (audio story)|Red Dawn]]'')
Some species (such as [[Qetesh]] or the [[Pting]]) did not require oxygen to survive, ([[TV]]: {{cs|Goodbye, Sarah Jane Smith (TV story)}}, {{cs|The Tsuranga Conundrum (TV story)}}) and yet others (such as [[Rill]]s or [[Mogarian]]s) could be poisoned by it. ([[TV]]: {{cs|Galaxy 4 (TV story)}}, {{cs|Terror of the Vervoids (TV story)}})


In the caves of [[Androzani Minor]] there were low levels of the element. The [[Fifth Doctor]] claimed he could go down there because he could store oxygen for several minutes. However, [[Sharaz Jek]] gave him an oxygen cylinder the same. Moreover, [[the Doctor's TARDIS]] was provided with oxygenators. ([[TV]]: ''[[The Caves of Androzani (TV story)|The Caves of Androzani]]'')
[[Plant]] life could use [[enzyme]]s to convert [[carbon dioxide]] into oxygen, which became important in ensuring Earth's atmosphere was livable for humans. ([[TV]]: {{cs|The Ark in Space (TV story)}}, {{cs|Flesh and Stone (TV story)}}, {{cs|In the Forest of the Night (TV story)}}) [[Dreg]]s and [[Wirrn]]s also had this ability, breathing carbon dioxide and exhaling oxygen as a waste product, and required carbon dioxide-rich environments to survive. ([[TV]]: {{cs|The Ark in Space (TV story)}}, {{cs|Orphan 55 (TV story)}})
 
== Chemistry ==
Hydrogen became very explosive in the presence of oxygen, ([[TV]]: {{cs|Castrovalva (TV story)}}) but [[hydrogen]] and oxygen made up [[H₂O]], ([[PROSE]]: {{cs|Christmas on a Rational Planet (novel)}}) also known as [[water]]. ([[TV]]: {{cs|Arc of Infinity (TV story)}})
 
[[Fire]] could not exist without oxygen, so the presence of fire meant that the immediate area was oxygen-rich. ([[TV]]: {{cs|Empress of Mars (TV story)}})
 
[[Vionesium]] reacted with oxygen to produce light and [[carbon dioxide]] in large quantities. ([[TV]]: {{cs|Terror of the Vervoids (TV story)}})
 
== History ==
[[File:LOX canister.jpg|thumb|A canister of [[liquid]] oxygen. ([[TV]]: {{cs|Dalek (TV story)}})|alt=|left]]
In the 2000s, the atmosphere of [[Izdaal]]'s tomb on Mars, while rich enough in [[nitrogen]] for the [[Ice Warrior]]s to thrive in, also had enough oxygen for humans and [[Time Lord]]s to breathe. ([[AUDIO]]: {{cs|Red Dawn (audio story)}})
 
In 2012, a [[yellow]] canister of liquid oxygen was present in [[Henry van Statten]]'s [[The Vault (Dalek)|vault]]. ([[TV]]: {{cs|Dalek (TV story)}})
 
On one day in the [[2010s]], [[tree]]s mysteriously grew across all the land on Earth. As the [[Twelfth Doctor]] discovered, it was a defence mechanism to protect the planet from the threat of a [[solar flare]] with excess oxygen. Once the solar flare struck and the worldwide [[forest]]'s work of preservation succeeded, it promptly regressed to its former state. ([[TV]]: {{cs|In the Forest of the Night (TV story)}})
 
In 2020, [[Ace|Dorothy McShane]] had an oxygen mask over her nose and mouth as part of full medical examination to be a passenger on the ''[[Virgil (spacecraft)|Virgil]]''. ([[PROSE]]: {{cs|At Childhood's End (novel)}})
 
[[File:Moonbase-4 Moonbase Humidty Oxygen Pressure gauge low.jpeg|thumb|Dials for humidity, oxygen and pressure on the Moonbase in 2070. ([[TV]]: {{cs|The Moonbase (TV story)}})]]
On [[Moonbase Laika]] in [[2070]], oxygen levels were measured, alongside with [[pressure]] and [[humidity]]. All dropped when the Moonbase's dome was breached by the [[CyberTelosian|Cybermen]]. ([[TV]]: {{cs|The Moonbase (TV story)}})
 
In the [[23rd century]], the [[Eighth Doctor]] had altered [[Mars]]' atmosphere with the [[atmospheric re-ioniser]] on [[Deimos Moonbase]] to make it the same consistency as that of Earth, saving the human colonists below. ([[AUDIO]]: {{cs|The Resurrection of Mars (audio story)}}) Before then, Mars' atmosphere had been largely nitrogen, with virtually no oxygen or hydrogen. ([[TV]]: {{cs|The Savages (TV story)}})
 
By the [[51st century]], [[human]] space vessels could house oxygen factories in the form of synthetic forests, nicknamed "[[treeborg]]s". These used starlight to produce oxygen. ([[TV]]: {{cs|Flesh and Stone (TV story)}}) Also in that century, in the caves of [[Androzani Minor]] there were low levels of the element. The [[Fifth Doctor]] claimed he could go down there because he could store oxygen for several minutes. However, [[Sharaz Jek]] gave him an oxygen cylinder the same. Moreover, [[the Doctor's TARDIS]] was provided with oxygenators. ([[TV]]: {{cs|The Caves of Androzani (TV story)}})
 
=== Undated events ===
[[Adric]], [[Varsh (Full Circle)|Varsh]], and a number of other [[Alzarian]]s used oxygen cylinders against the [[Marshman|Marshmen]], causing a change in the [[atmosphere]] too quickly for them to adapt to. They then proceeded to flood the ship with the gas, forcing the Marshmen to flee. Their [[Starliner]] had an electrolytic power supply, enabling it to create its own oxygen. ([[TV]]: {{cs|Full Circle (TV story)}})
 
There were oxygen factories on [[Venus]] during Empress [[Vulpina]]'s reign. ([[AUDIO]]: {{cs|Voyage to Venus (audio story)}})
 
{{Elements}}


[[Qetesh]] didn't need oxygen to breathe. ([[TV]]: ''[[Goodbye, Sarah Jane Smith (TV story)|Goodbye, Sarah Jane Smith]]'')
[[Category:Elements from the real world]]
[[Category:Elements from the real world]]
[[Category:Gases]]
[[Category:Gases]]
[[Category:Atmospheric chemistry]]
[[Category:Atmospheric chemistry]]

Latest revision as of 22:27, 31 October 2024

Oxygen
You may be looking for the TV story.
Oxygen tanks on a diving vessel. (TV: The Sea Devils [+]Loading...["The Sea Devils (TV story)"])

Oxygen was an element with the symbol O (PROSE: Christmas on a Rational Planet [+]Loading...["Christmas on a Rational Planet (novel)"]) and atomic number 8. (TV: Shada [+]Loading...["Shada (TV story)"])

Oxygen, like hydrogen and sodium, had a unique emission wavelength that could be measured by a spectrograph. (TV: The Sensorites [+]Loading...["The Sensorites (TV story)"])

Earth's atmosphere was 80% nitrogen and 20% oxygen, which was a sufficient atmosphere for human survival. (AUDIO: The Resurrection of Mars [+]Loading...["The Resurrection of Mars (audio story)"], TV: The Doctor's Daughter [+]Loading...["The Doctor's Daughter (TV story)"])

Liquid oxygen could be abbreviated to "LOX". (TV: Dalek [+]Loading...["Dalek (TV story)"])

Biology[[edit] | [edit source]]

Oxygen was vital on space stations and spacecraft to allow some life forms, such as humans, to breathe. (TV: The Moonbase [+]Loading...["The Moonbase (TV story)"]) If a human went without oxygen, they would die within three to four minutes of oxygen starvation. (TV: The Seeds of Death [+]Loading...["The Seeds of Death (TV story)"])

Other species (such as Time Lords or Silurians) could survive for longer than humans could with a lack of oxygen by storing it in their lungs or with a respiratory bypass system. (TV: Four to Doomsday [+]Loading...["Four to Doomsday (TV story)"], Deep Breath [+]Loading...["Deep Breath (TV story)"])

Some species (such as Qetesh or the Pting) did not require oxygen to survive, (TV: Goodbye, Sarah Jane Smith [+]Loading...["Goodbye, Sarah Jane Smith (TV story)"], The Tsuranga Conundrum [+]Loading...["The Tsuranga Conundrum (TV story)"]) and yet others (such as Rills or Mogarians) could be poisoned by it. (TV: Galaxy 4 [+]Loading...["Galaxy 4 (TV story)"], Terror of the Vervoids [+]Loading...["Terror of the Vervoids (TV story)"])

Plant life could use enzymes to convert carbon dioxide into oxygen, which became important in ensuring Earth's atmosphere was livable for humans. (TV: The Ark in Space [+]Loading...["The Ark in Space (TV story)"], Flesh and Stone [+]Loading...["Flesh and Stone (TV story)"], In the Forest of the Night [+]Loading...["In the Forest of the Night (TV story)"]) Dregs and Wirrns also had this ability, breathing carbon dioxide and exhaling oxygen as a waste product, and required carbon dioxide-rich environments to survive. (TV: The Ark in Space [+]Loading...["The Ark in Space (TV story)"], Orphan 55 [+]Loading...["Orphan 55 (TV story)"])

Chemistry[[edit] | [edit source]]

Hydrogen became very explosive in the presence of oxygen, (TV: Castrovalva [+]Loading...["Castrovalva (TV story)"]) but hydrogen and oxygen made up H₂O, (PROSE: Christmas on a Rational Planet [+]Loading...["Christmas on a Rational Planet (novel)"]) also known as water. (TV: Arc of Infinity [+]Loading...["Arc of Infinity (TV story)"])

Fire could not exist without oxygen, so the presence of fire meant that the immediate area was oxygen-rich. (TV: Empress of Mars [+]Loading...["Empress of Mars (TV story)"])

Vionesium reacted with oxygen to produce light and carbon dioxide in large quantities. (TV: Terror of the Vervoids [+]Loading...["Terror of the Vervoids (TV story)"])

History[[edit] | [edit source]]

A canister of liquid oxygen. (TV: Dalek [+]Loading...["Dalek (TV story)"])

In the 2000s, the atmosphere of Izdaal's tomb on Mars, while rich enough in nitrogen for the Ice Warriors to thrive in, also had enough oxygen for humans and Time Lords to breathe. (AUDIO: Red Dawn [+]Loading...["Red Dawn (audio story)"])

In 2012, a yellow canister of liquid oxygen was present in Henry van Statten's vault. (TV: Dalek [+]Loading...["Dalek (TV story)"])

On one day in the 2010s, trees mysteriously grew across all the land on Earth. As the Twelfth Doctor discovered, it was a defence mechanism to protect the planet from the threat of a solar flare with excess oxygen. Once the solar flare struck and the worldwide forest's work of preservation succeeded, it promptly regressed to its former state. (TV: In the Forest of the Night [+]Loading...["In the Forest of the Night (TV story)"])

In 2020, Dorothy McShane had an oxygen mask over her nose and mouth as part of full medical examination to be a passenger on the Virgil. (PROSE: At Childhood's End [+]Loading...["At Childhood's End (novel)"])

Dials for humidity, oxygen and pressure on the Moonbase in 2070. (TV: The Moonbase [+]Loading...["The Moonbase (TV story)"])

On Moonbase Laika in 2070, oxygen levels were measured, alongside with pressure and humidity. All dropped when the Moonbase's dome was breached by the Cybermen. (TV: The Moonbase [+]Loading...["The Moonbase (TV story)"])

In the 23rd century, the Eighth Doctor had altered Mars' atmosphere with the atmospheric re-ioniser on Deimos Moonbase to make it the same consistency as that of Earth, saving the human colonists below. (AUDIO: The Resurrection of Mars [+]Loading...["The Resurrection of Mars (audio story)"]) Before then, Mars' atmosphere had been largely nitrogen, with virtually no oxygen or hydrogen. (TV: The Savages [+]Loading...["The Savages (TV story)"])

By the 51st century, human space vessels could house oxygen factories in the form of synthetic forests, nicknamed "treeborgs". These used starlight to produce oxygen. (TV: Flesh and Stone [+]Loading...["Flesh and Stone (TV story)"]) Also in that century, in the caves of Androzani Minor there were low levels of the element. The Fifth Doctor claimed he could go down there because he could store oxygen for several minutes. However, Sharaz Jek gave him an oxygen cylinder the same. Moreover, the Doctor's TARDIS was provided with oxygenators. (TV: The Caves of Androzani [+]Loading...["The Caves of Androzani (TV story)"])

Undated events[[edit] | [edit source]]

Adric, Varsh, and a number of other Alzarians used oxygen cylinders against the Marshmen, causing a change in the atmosphere too quickly for them to adapt to. They then proceeded to flood the ship with the gas, forcing the Marshmen to flee. Their Starliner had an electrolytic power supply, enabling it to create its own oxygen. (TV: Full Circle [+]Loading...["Full Circle (TV story)"])

There were oxygen factories on Venus during Empress Vulpina's reign. (AUDIO: Voyage to Venus [+]Loading...["Voyage to Venus (audio story)"])