Cosmological inflation -- a theory proposing that following the Big Bang the universe initially expanded incredibly rapidly before settling down to a slower expansion -- was proposed by Alan Guth and also developed by Andrei Linde .
[ 189 ] [ 190 ] Cosmological inflation -- a theory proposing that following the Big Bang the universe initially expanded incredibly rapidly before settling down to a slower expansion -- was proposed by Alan Guth and also developed by Andrei Linde .