I will answer your question according to my believe and faith which is Islam. Islam has its own world beginning theory and it is supported by modern sciences. So please read lines below and you can judge at the end...
The science of modern cosmology, observational and theoretical,
clearly indicates that, at one point in time, the whole universe
was nothing but a cloud of ‘smoke’ (i.e. an opaque highly dense
and hot gaseous composition).1 This is one of the undisputed
principles of standard modern cosmology. Scientists now can
observe new stars forming out of the remnants of that ‘smoke’ .The illuminating stars we see at night were,
just as was the whole universe, in that ‘smoke’ material.
God has said in the Qur’an:
( Then He turned to the heaven when it was
smoke... ) (Qur’an, 41:11)
Because the earth and the heavens above (the sun, the moon,
stars, planets, galaxies, etc.) have been formed from this same
‘smoke,’ we conclude that the earth and the heavens were one
connected entity. Then out of this homogeneous ‘smoke,’ they
formed and separated from each other. God has said in the Qur’an:( Have not those who disbelieved known that
the heavens and the earth were one connected
entity, then We separated them?...) (Qur’an,
21:30)
Dr. Alfred Kroner is one of the world’s renowned geologists.
He is Professor of Geology and the Chairman of the Department
of Geology at the Institute of Geosciences, Johannes Gutenberg
University, Mainz, Germany. He said: “Thinking where Muhammad
came from . . . I think it is almost impossible that he could
have known about things like the common origin of the universe,
because scientists have only found out within the last few years,
with very complicated and advanced technological methods, that
this is the case.”2 Also he said: “Somebody who did not know
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