Outer space
Outer space, deep space, or just space, is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, magnetic fields, neutrinos, dust and cosmic rays. The baseline temperature, as set by the background radiation from the Big Bang, is 2.7 kelvins (K) (−270.45 °C; −454.81 °F). Plasma with a number density of less than one hydrogen atom per cubic metre and a temperature of millions of kelvins in the space between galaxies accounts for most of the baryonic (ordinary) matter in outer space; local concentrations have condensed into stars and galaxies. In most galaxies, observations provide evidence that 90%
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Outer space
Outer space, deep space, or just space, is the void that exists between celestial bodies, including the Earth. It is not completely empty, but consists of a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium as well as electromagnetic radiation, magnetic fields, neutrinos, dust and cosmic rays. The baseline temperature, as set by the background radiation from the Big Bang, is 2.7 kelvins (K) (−270.45 °C; −454.81 °F). Plasma with a number density of less than one hydrogen atom per cubic metre and a temperature of millions of kelvins in the space between galaxies accounts for most of the baryonic (ordinary) matter in outer space; local concentrations have condensed into stars and galaxies. In most galaxies, observations provide evidence that 90%
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De term ruimte wordt in de ast ...... zoals meteoroïden en kometen.
@nl
Der Weltraum bezeichnet den Ra ...... rden als Raumfahrt bezeichnet.
@de
El espacio exterior o espacio ...... o inflación cósmica, por otro.
@es
Espaço sideral, espaço exterio ...... seja considerada inestimável.
@pt
L'espace désigne les zones de ...... tion à l'atmosphère terrestre.
@fr
Lo spazio cosmico (da qui in a ...... ocamento di armi nello spazio.
@it
Outer space, deep space, or ju ...... ng humans, into space is high.
@en
Przestrzeń kosmiczna – przestr ...... j w ośrodek międzygalaktyczny.
@pl
Косми́ческое простра́нство (ко ...... учение и межзвёздное вещество.
@ru
الفضاء الخارجي، أو ببساطة الفض ...... باستثناء استخدامات التليسكوب.
@ar
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De term ruimte wordt in de ast ...... it gebruik van de term ruimte.
@nl
Der Weltraum bezeichnet den Ra ...... rden als Raumfahrt bezeichnet.
@de
El espacio exterior o espacio ...... or radiación electromagnética,
@es
Espaço sideral, espaço exterio ...... evidências de que 90% da massa
@pt
L'espace désigne les zones de ...... tion à l'atmosphère terrestre.
@fr
Lo spazio cosmico (da qui in a ...... teria oscura e energia oscura.
@it
Outer space, deep space, or ju ...... ons provide evidence that 90%
@en
Przestrzeń kosmiczna – przestr ...... j w ośrodek międzygalaktyczny.
@pl
Косми́ческое простра́нство (ко ...... учение и межзвёздное вещество.
@ru
الفضاء الخارجي، أو ببساطة الفض ...... مية معظمها يكون فراغا والكواكب
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Espace (cosmologie)
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Espacio exterior
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Espaço sideral
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Outer space
@en
Przestrzeń kosmiczna
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Ruimte (astronomie)
@nl
Spazio (astronomia)
@it
Weltraum
@de
Космическое пространство
@ru
فضاء خارجي
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