what is a vacuum and how did space become a vacuum
Answers
Answer:
it is a space fully empty without any air or substance...
Explanation:
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Answer:
vacuum -Vacuum is a space that is completely empty of all substances, including air or other gases
Explanation:
Vacuum is the space in which there is no matter or in which the pressure is so low that any particles in the space do not affect any processes being carried on there. It is a condition well below normal atmospheric pressure and is measured in units of pressure (the pascal).
How did space become a vacuum?
Outer space has very low density and pressure, and is the closest physical approximation of a perfect vacuum. But no vacuum is truly perfect, not even in interstellar space, where there are still a few hydrogen atoms per cubic meter.