“ If the rate of expansion one second after the big bang had been smaller by even one part in a hundred thousand million million, the universe would have recollapsed before it ever reached its present size. ”
Stephen Hawking, A Brief History of Time (1988). copy citation
| Author | Stephen Hawking |
|---|---|
| Source | A Brief History of Time |
| Topic | universe collapse expansion rate |
| Date | 1988 |
| Language | English |
| Reference | |
| Note | |
| Weblink | https://archive.org/stream/ABriefHistoryOfTimeByStephenHawking/A%20Brief... |















