nAll energy
and matter was crammed into a cosmic egg
(or primeval atom)
nWhere
did it come from?
nHow
did it get there?
nSuddenly
exploded/expanded at great speed
nNothing
-> today’s universe?
nFirst
there was nothing – then there was a Big Bang!
nTwo
elements were created:
nHydrogen
(75%)
nHelium
(25%)