SpeedrooHow fast is an electron moving in a hydrogen atom?
4.9 million mphAbout 7.88 million km/h · Cosmic
About 4.9 million mph (2,200 km/s) in the simple Bohr model, under 1% of the speed of light.
That's about 140,000 times a red kangaroo's top speed of about 35 mph (56 km/h).
⚛️4.9 million mph
☀️the Sun's galactic orbit
By speed: an electron in an atom is about 9.5× faster than the Sun's galactic orbit.
Things about as fast
- How fast does the Sun orbit the galaxy?514,495 mph
- How fast is the solar wind?894,775 mph
- How fast is the Milky Way moving?1.24 million mph
- What is the Sun's escape velocity?1.38 million mph
- How fast is the fastest star leaving our galaxy?3.91 million mph
- How fast can a solar eruption travel?6.71 million mph
- How fast does the star S2 move near our galaxy's black hole?17.1 million mph
- How fast is supernova debris?22.4 million mph
Many real things vary, so we use a typical or official figure. Spotted a mistake? Email [email protected].