Space: Difference between revisions

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: ''For the Canadian television network, see [[Space (TV channel)]].''
: ''For the Canadian television network, see [[Space (TV channel)]].''


'''Space''' is a term referring to two different concepts within physics, the first being the whole of creation, any open area, anywhere. The second is all area in the Universe that exists outside the atmosphere of a planet, usually prefaced as 'outer space'. Space is generally devoid of breathable air; space is full of various gasses and energies, but usually in such low concentration that most living beings cannot survive without assistance in space.
'''Space''' was a term used to refer to two different concepts relating to the universe. One of these terms was used with regards to [[dimension]]s; space is, linked to [[time]], with space being the third dimension and time the fourth. ([[DW]]: ''[[An Unearthly Child]]'') The term space was also used to refer to the vacuum that existed in the universe, outside of a planetary body's atmosphere. This was often known as "outer space"{{fact}}.  
: ''There are certainly exceptions to this rule, ranging from the [[Time Lord]]s' limited ability to survive in a [[vacuum]] to the [[Hunter]]s' ability to live in outer space indefinitely.''


Space travel could be considered the first real step of a race toward sophistication and awareness of other, 'greater' things in the UniverseAs ancient as the [[Time Lord]]s were, they developed space travel even before the Universe was half its present size. ([[DW]]: ''[[Genesis of the Daleks]]'') This also means that space travel usually pre-dates [[time travel]]. 
==Space travel==
Space was a hostile environment existing as a [[vacuum]]. For a vast number of species required a form of [[spacecraft]] to enable them to travel through spaceSome species such as [[Time Lord]]s could survive for a period in the vacuum of space, though they still required [[oxygen]] to breathe. ([[DW]]: ''[[Four to Doomsday]]'')  


Physics also tells us that space is interwoven with time, and the two should be considered as either one and the same or directly impacting each-other, as most physicists refer to the structure of existence as 'spacetime'. In traditional, Euclidian thinking, space has only three dimensions (height, width, and depth).  Using the concept of spacetime, existence then has a 'fourth dimension', creating what is called the 'spacetime continuum', which is often another way of stating the 'universe at large'
Development of the ability to travel through space was regarded as one of the first real steps species took in their planetary and species' development. The [[Time Lord]]s developed space travel when "the universe was half its present size." ([[DW]]: ''[[Genesis of the Daleks]]'') [[Human|Humanity's]] first sojourn into exploring space began in the mid-[[20th century]] with the launch of several [[satellite]]s. ([[EDA]]: ''[[Alien Bodies]]'')
: ''This is, of course, the science-fiction way of looking at things. Generally speaking it's a lot more complicated than that, but whenever one mentions the 'space-time continuum', they are generally referring to the Universe in general.''


: ''Additionally, early Doctor Who material was far less technical that it has since become, often using technobabble and inaccurate descriptions under the pretense that most viewers wouldn't understand anyway. For example, in [[An Unearthly Child]], Susan Foreman states that in addition to the three dimensions used in a math problem, you must also use a fourth, time, and a fifth, which she says is space. However, space is made up of the first three dimensions, meaning that her description of the problem was totally wrong.
===Biological abilities===
[[Kitling]]s were a species that was able to travel seemingly through space (and time) without any technological requirements. ([[DW]]: ''[[Survival]]'', [[NA]]: ''[[First Frontier]]'')


Space, while vast and mysterious, also acts as a battleground for many races, both lesser and greater. The [[Time War]]s have been fought both across time and across space, with vast armadas from both sides traversing space using various means. 
Likewise, the [[Eight Legs]] could also transport themselves through space. ([[DW]]: ''[[Planet of the Spiders]]'')


General, broadly-accepted divisions of space help to keep the whole mess under some sort of organization, the widest category being galactic superclusters, the smallest being planetary or solar systems. The Time Lords referred to the galaxy that contained [[Earth]] as [[Mutter's Spiral]], though the locals refer to it as the [[Milky Way]]. Space-farers tend to refer to whole solar systems by the name of their single inhabited [[planet]], its [[star]] or their most populous [[planet]]. 
===Space/vacuum exposure===
[[Krynoid]] pods were able to survive exposure to the vacuum of space by hibernating during the voyage through space. ([[DW]]: ''[[The Seeds of Death]]'')


While only the greater races of the Universe truly understand all of the wonders, perils, and methods of space, it continues to be a staging-ground for the rest of lifekind.
[[Wirrn]] were also able to survive in and travel through space and were able to live without fresh air for several years, however they did need to return to a planet to gather food or breed. ([[DW]]: ''[[The Ark in Space]]'')
 
The [[Rutan Host]] also could travel through space without any effects. ([[NA]]: ''[[Shakedown]]'')
 
==Behind the scenes==
Physics tells us that space is interwoven with time, and the two should be considered as either one and the same or directly impacting each-other, as most physicists refer to the structure of existence as 'spacetime'. In traditional, Euclidian thinking, space has only three dimensions (height, width, and depth).  Using the concept of spacetime, existence then has a 'fourth dimension', creating what is called the 'spacetime continuum', which is often another way of stating the 'universe at large'. 
 
This is, of course, the science-fiction way of looking at things. Generally speaking it's a lot more complicated than that, but whenever the 'space-time continuum' is mentioned, they are generally referring to the Universe in general.
 
Early ''Doctor Who'' material was also far less technical that it has since become, often using technobabble and inaccurate descriptions under the pretense that most viewers wouldn't understand anyway.{{fact}} For example, in ''[[An Unearthly Child]]'', Susan Foreman states that in addition to the three dimensions used in a math problem, you must also use a fourth, time, and a fifth, which she says is space. However, space is made up of the first three dimensions, meaning that her description of the problem was totally wrong.
 
==See also==
*[[Spacecraft]]
*[[Hyperspace]]


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