|
2022-09-28: Why Is 1/137 One of the Greatest Unsolved Problems In Physics?
- 04:17: And the orbital speed of an electron in the ground state of the Bohr model of the hydrogen atom is 137 slower than the speed of light.
|
|
2022-05-25: The Evolution of the Modern Milky Way Galaxy
- 05:58: ... same merger, they should also have similar orbits. If their orbital speeds are even slightly different, they may have drifted to ...
|
|
2021-06-09: Are We Running Out of Space Above Earth?
- 01:45: ... while a loose screw or paint chip may not be all that scary on earth, at orbital speeds of 7 km/s they can carry as much energy as a ...
|
|
2018-12-06: Did Life on Earth Come from Space?
- 00:37: ... ahead to get to the nearest stars a rock traveling at the sun's galactic orbital speed of 30 km/s would take several tens of thousands of years but real ...
|
|
2015-08-12: Challenge: Which Particle Wins This Race?
- 00:59: ... Newtonian gravity, you can work out an expression for the orbital speed of this particle in terms of the mass and radius of the planet, or in ...
|