How fast does light travel in a diamond?
446.5 million km/hAbout 277 million mph · Cosmic
About 124,000 km a second; slowing light is what makes diamonds sparkle.
That's about 8,000,000 times a red kangaroo's top speed (56 km/h).
💎446.5 million km/h
💥a supernova
By speed: light in diamond is about 12× faster than a supernova.
Things about as fast
- How fast is the solar wind?1.44 million km/h
- How fast is the Milky Way moving?2 million km/h
- What is the Sun's escape velocity?2.22372 million km/h
- How fast is supernova debris?36 million km/h
- How fast is a lightning strike?360 million km/h
- How fast does internet data travel in fibre?720 million km/h
- How fast does light travel in water?811 million km/h
- How fast is the speed of light?1,079.25 million km/h
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].