Report an inappropriate comment Thu Jan 17 14:37:39 GMT 2013 by
Eric Kvaalen "About 300,000 years after the big bang, the
charged hydrogen that filled the universe became neutral and
opaque, creating a cosmic fog that blotted out visible light for
a billion years." That's not right. When the hydrogen became
neutral it became transparent! That's why we can still see the
light that was emitted at that time.