Newton's law of universal gravitation is valid.
Can you explain what the law of universal gravitation is ?
Newton's law of universal gravitation has been extremely useful.
The law of universal gravitation helps us predict accurately the orbit of a spacecraft .
Newton invented calculus, described the law of universal gravitation and built the first reflecting telescope.
For centuries Isaac Newton's law of universal gravitation worked well enough to explain gravity on Earth.
The universal gravitation field is described by imaginary number in the paper. It's energy density is negative real number. And it accord with conservation of energy.
N-body problem is a problem researching on the universal gravitation between celestial bodies, this problem belong to the category of parallel calculation.
"Universal gravitational field intensity" and "gauss theorem of the universal gravitational field";
