Ninety years ago, Russian matematician Alexander Friedmann raised the possibility of an expanding universe. He showed that our cosmos could have begun in a singularity — just what our current big bang theory predicts. Who was this man and…
Ninety years ago, Russian matematician Alexander Friedmann raised the possibility of an expanding universe. He showed that our cosmos could have begun in a singularity — just what our current big bang theory predicts. Who was this man and…
