According to Big Bang Theory, the Universe began about ___ billion years ago.
According to Big Bang Theory, the Universe began about ___ billion years ago.
بگ بینگ تھیوری کے مطابق کائنات کا آغاز تقریباً _____ ارب سال پہلے ہوا۔
Explanation
According to Big Bang Theory, the Universe began about 10-20 billion years ago.Big Bang theory explains Origin of Universe .
At the time of the big bang Time was zero.