It looks like that phrase was actually more common in the past: https://books.google.com/ngrams/graph?content=space+of+time&year_start=1800&year_end=2019&corpus

It looks like that phrase was actually more common in the past: https://books.google.com/ngrams/graph?content=space+of+time&year_start=1800&year_end=2019&corpus=26&smoothing=3&case_insensitive=true https://books.google.com/ngrams/graph?content=space+of+time&...