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Astronomy and Cosmology
Astronomy and Astrophysics
What Secrets Does the Color of Space Hold and How Does Space Travel Work?
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[QUOTE="Drakkith, post: 6042294, member: 272035"] Mostly blackness until you get down into the microwave wavelengths. Once there you will see the [URL='https://en.wikipedia.org/wiki/Cosmic_microwave_background']cosmic microwave background radiation[/URL]. Because you're mostly seeing empty space with no visible light coming from it. Hence, blackness. Hydrogen is overwhelmingly the dominant material in space, coming in at nearly 74% of the material in space by mass. This is followed by helium at almost 24% the amount by mass. The remaining 2% amount is where you find all the other elements. Not yet. The interplanetary and interstellar medium is too sparse, and we don't yet have the ability to mine asteroids or other planets. [/QUOTE]
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Astronomy and Cosmology
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What Secrets Does the Color of Space Hold and How Does Space Travel Work?
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