'Announced by Ole Romer in 1676, the first measurement of this was 140,000 miles per second'
the speed of light
SCIENCE HISTORY: Announced by Ole Romer in 1676, the first measurement of this was 140,000 miles per second
Announced by Ole Romer in 1676, the first measurement of this was 140,000 miles per second
Announced by Ole Romer in 1676, the first measurement of this was 140,000 miles per second
SCIENCE HISTORY
the speed of light
SCIENCE HISTORY