Venus shows crescent phase. like Moon. This is possible only when Venus orbits inside orbit of earth around Sun.>this observation is proof that is at center […]
0.00002409 light years A light year is the distance that light travels in a year. A more accurate measurement of the distance between and mars would […]
There were three theories about formation of Earth'[s moon. Moon formed along with planets in solar system Moon was captured later as it passed bye A […]
Both Moon’s day-night spin-period and its orbital period around Earth are the same 29.53 d and the same hemisphere faces Earth. The gradual day-night transit across […]