[DOC] [TLE] Rmer's determination of the speed of light - Wikipedia [PAR] Rmer's determination of the speed of light was the demonstration in 1676 that 
light has a finite speed, and so doesn't travel instantaneously. The discovery is 
usually attributed to Danish astronomer Ole Rmer ... This would give light a 
velocity of about 220,000 kilometres per second in SI units, about 26% lower than 
the... [DOC] [TLE] Ole Roemer and the Speed of Light [PAR] Roemer measured the speed of light by timing eclipses of Jupiter's moon Io. ... In 
1676, the Danish astronomer Ole Roemer (16441710) became the first person 
to ... found a value for the speed of light equivalent to 131,000 miles per second. [DOC] [TLE] English - Bilal Prayer [PAR] Romer also spelled ROMER, OR ROEMER, OLE also spelled OLAUS OR OLAF, 
... between the two planets and in 1676 announced that, according to his 
observations, the speed of light was 140,000 miles (225,000 km) per second. ... 
Romer noticed that the orbital period of Jupiter's first moon, Io, is apparently 
slowed as... [DOC] [TLE] How was the speed of light determined and who found it, when ... [PAR] Although Galileo was the first person of record to try to determine the speed of 
light, ... Olaus Roemer, who, in 1676, first successfully measured the speed of 
light. ... Roemer's estimate for the speed of light was 140,000 miles/second, 
which is... [DOC] [TLE] Free Flashcards about SCIENTISTS - StudyStack [PAR] ANNOUNCED BY OLE ROMER IN 1676, THE FIRST MEASUREMENT OF THIS 
WAS 140,000 MILES PER SECOND, SPEED OF LIGHT. IN 1986 DR. [DOC] [TLE] Ole Romer - Revolvy [PAR] Ole Christensen Rmer (Danish pronunciation: ; 25 September 1644  19 ... who 
in 1676 made the first quantitative measurements of the speed of light. .... Cassini 
made an announcement to the Academy of Sciences on 22 August 1676: ...... the 
eclipses of Jupiter 's moons , obtaining a speed of 140,000 miles per second... [DOC] [TLE] viaLibri ~ (159892).....Rare Books from 1676 [PAR] In 1676 Ole Rmer (1644-1710) made "the first quantitative measurement of the 
... their second discovery, announced by Cassini in August 1675, was more ... a 
value of about 140,000 miles per second-a reasonable first approximation to the
... [DOC] [TLE] A Survey of A Brief History of T1me [Archive] - Cosmoquest Forum [PAR] Apr 27, 2009 ... His measurements of the variations in the distance of the earth from Jupiter .... 
Rmer announced his results, building on theirs, in 1676. ... It, apparently, was 
Cassini that was first to suggest that the slight ... of light was 140,000 miles per 
second, compared to the modern value of 186,000 miles per second. [DOC] [TLE] Time for the astronomer 14841884 - ScienceDirect [PAR] Burgi might be considered the first pioneer of precision timekeeping as he was 
the ... 76 W.J.H. Andrewes In order to improve the accuracy of his measurements, 
Galileo ... of the finite velocity of light by the Danish astronomer Ole Roemer in 
1676. ..... (14) Roemer calculated the velocity of light as 140,000 miles per 
second. [DOC] [TLE] Light and Matter 1  Michael K. Rulison - Oglethorpe University [PAR] Roemer (1680's) was the first to measure the speed of light using Jupiter's moons 
-> c=299,790 km/sec or about 185,000 mi/sec ..... Ole Roemer (b. ... the increased 
distance between the two planets and in 1676 announced that, according to his 
observations, the speed of light was 140,000 miles (225,000 km) per second. [DOC] [TLE] A famous experiment with a null result | Teacherplus [PAR] Jun 11, 2015 ... In 1878, the New York Times announced, It would seem that the ... for his 
pioneering efforts in measuring and analyzing light, the first ... that indeed, light 
travelled at a finite speed was Ole Roemer in 1676 ... According to his 
calculations, light had a speed of 140,000 miles or 225,000 Kilometers per 
second. [DOC] [TLE] Cronologie di Psicopolis [PAR] 28-365 Chinese spot first moons of Jupiter unaided by

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