Strangely, âposhliâ (which means âletâs goâ or âletâs head outâ in Russian) is actually the past tense of the verb meaning âTo head off on foot.â In other words, âposhliâ literally means, âWe (or they) headed off on foot.â How can a word which is in the past tense indicate the desire to head off somewhere now?
The Hill sphere, or gravitational sphere of influence, of Earth is about 1.5 Gm or 1,500,000 km in radius. This is the maximum distance at which the Earth's gravitational influence is stronger than the more distant Sun and planets.
1 Scientists estimate that the total mass of the universe is between 1052kg and 1053 kg. 2  1000kg is equal to a metric tonne. 3  Greek philosopher Plato said that weight was the natural tendency of objects to seek their kin.  The gravity of Earth can vary as much as 0.5% depending on where you are on Earth.