WONDER #1220: How Fast Is the Speed of Light?
Question 1 of 3
Who was the first scientist to show that light moved at a finite speed rather than instantaneously?
- Albert Einstein
- Carl Sagan
- Ole Rømer
- Isaac Newton
Question 2 of 3
Light travels at about how many miles per hour?
- 671 million
Question 3 of 3
The speed of light is an important mathematical constant that forms the basis of what astronomical unit of time and distance?
- miles per hour
Check your answers online at https://wonderopolis.org/wonder/How-Fast-Is-the-Speed-of-Light.