Labels:bulletin board | daily | encyclical | fence | poster | sky OCR: tions of known about the nucl lear tions made for prot tons and neutrons. ments in the the proportions of variou rather early universe were ther ons have been inaccurate but these cal knowledge repeated in the light ofh what we and now agree very well difficult to observe. It is, moreove here should be exlai. in any other way We are so much helium in the we have the therefore fairly confident about one right picture, at least bac second after the big bang the big bang, Within only a few hou ther elements the production of helium that, for the would have stopped. An nverse would nex million years or SO without have just continued expa Hions nuclear exlain confideni niverse next vears conted
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