- #1
argonurbawono
- 18
- 0
i know nothing about astronomy, so please excuse my silly question here.
how did people originally estimate the mass of earth?
i sense our current data of Earth mass (10^24 kg? or so) has been there for quite sometime. how did they do it?
how did people originally estimate the mass of earth?
i sense our current data of Earth mass (10^24 kg? or so) has been there for quite sometime. how did they do it?