Activity for Dave
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Question | — |
Gravity of an ancient Mars If Mars is thought to have once been like Earth several billion years ago, with an atmosphere, magnetic field, oceans, etc., then what would the planets true surface gravitational acceleration "m/s²" have been before the planet 'died'? (more) |
— | almost 10 years ago |