english: Now let's fast-forward to the 1990s when those two teams of astronomers I mentioned at the outset were inspired by this reasoning to measure the rate at which the expansion has been slowing.
non_english: Teraz sa presunieme do 90-tych rokov, keď dva tímy astronómov, ktoré som spomenul na začiatku, boli inšpirované týmto argumentovaním, aby zmerali mieru, akou sa rozpínanie spomaľuje.