John D. Barrow Quote

There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that habitable time interval in cosmic history.


The Book of Universes (ed. Random House, 2011) - ISBN: 9781409028802


There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that...

There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that...

There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that...

There are only certain intervals of time when life of any sort is possible in an expanding universe and we can practise astronomy only during that...