hey if you look at the space where there is no air you will find there are very large number of particles mysterious particles you don't know about them tell them we cannot treat space as only vacant place
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yes it's right...........
muskan5576:
its a non luminous material
which is postulated to exist in space
which can take either two forms:-cold dark matter nd hot dark matter
hot dark matter occured after big bang
okk hope it helps
if any more issue ask me tomorrow
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ir welcome
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