| Standard form/way | Planck form | Observed |
Gravitational constant |
|
| indirectly only |
Cavendish: Gravitational constant |
|
| indirectly only |
Cavendish: Planck mass | Only derived from G |
| indirectly only |
Cavendish: Planck length | Only derived from G |
| indirectly only |
Cavendish: Planck time | Only derived from G |
| indirectly only |
Cavendish: Schwarzschild radius | Normally dependent on G |
| indirectly onlyo |
Newton’s gravity force |
|
| indirectly only3 |
Gravitational acceleration field |
| or | Yes |
Mass from acceleration field |
|
| indirectly only |
Orbital velocity |
|
| Yes |
Escape velocity |
|
| indirectly only4 |
Time dilation |
|
| Yes |
Newton’s gravitational bending of light |
|
| Twice of that |
GR gravitational bending of light |
|
| Yes |
Gravitational red-shift |
|
| Yes |
Schwarzschild radius |
|
| indirectly only |
Einstein’s field equation |
|
| indirectly only |