Sure it can be explained, every time I ask what existed at T=0 I get the answer, "We don't know".
You say, but that is not a scientific explanation. Well that is the answer I get from scientist.
Beats making stuff up.
Religious belief does not constitute scientific evidence, nor does it convey scientific knowledge.
Belief gets in the way of learning--Robert A. Heinlein
How can I possibly put a new idea into your heads, if I do not first remove your delusions?--Robert A. Heinlein
It's not what we don't know that hurts, it's what we know that ain't so--Will Rogers