關於水星軌跡和萬有引力

Newton's Law of Gravitation was developed from postulation and scientific measurements. The Law doesn't explain the origin of gravity. It is thus only an approximation at places where gravitational field is not so strong.

Mercury is a planet closest to the sun. As such, it experiences very strong gravitational force. There is a discrepancy between the actual orbit of Mercury with that calculated by Newton's Gravitational Law due to the uncertainty of the latter.

The General Relativity developed by Einstein uses "space warp" to explain the origin of gravity. It is more accurate that the approximate formulation of Newton's gravitational law and hence can figure out the orbit of Mercury precisely.

又比我呢個識少少又要扮代表的又答吓啦,



萬有引力是百多年前的牛頓定律.....
是有關於地心吸力的科學引條而已,

科學是無限前進的~~~


衹要不斷衹研究......

會日新月異、時移秒遷的 ^^

F=GmM/R^2

F is the force (friction) between two objects due to gravitational pull
G is the Gravitational Constant: 6.67300 x 10^-11
M is the mass of First object
m is the mass of Second object
r is the distance between center of the first object and second object