i95608
Instance
United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)
- Status
- active
- Source
- Princeton WordNet 3.0 – 11063687-n
United States astronomer who discovered that (as the universe expands) the speed with which nebulae recede increases with their distance from the observer (1889-1953)