GRAVITY SUCK

[GordMay]

You might think you know what gravity is (I did), but you're wrong (I was)
Just about nobody knows that nobody knows what gravity is. The exception is physicists: They know that nobody knows what gravity is, because they know that they don't know what gravity is.
We can say gravitation is one of the four fundamental forces, but it's such an outlier that the word "force" becomes nearly meaningless. The strong nuclear force (which keeps atomic nuclei intact) is about 100 times stronger than the electromagnetic force (which creates the light spectrum), which in turn is up to 10,000 times stronger than the weak nuclear force (which facilitates the subatomic interactions responsible for radioactive decay).
Three forces, all within six orders of magnitude of one another. Then comes gravitation. It's about a million billion billion billion times weaker then the weak nuclear.
Not that cosmologists particularly care. In science, knowing what you don't know is a good start. In this case, it has led scientists to believe that finding a quantum solution to gravity is a key - perhaps the key - to understanding the universe on the most fundamental level.
➥ https://www.stuff.co.nz/science/1147...ut-youre-wrong

Scientists Admit, Embarrassingly, We Don’t Know How Strong The Force Of Gravity Is
➥ https://medium.com/starts-with-a-ban...s-bdabdcc6b2f7

SEVEN MYSTERIES OF GRAVITY - Seven things that don't make sense about gravity
➥ https://www.newscientist.com/round-u...about-gravity/

Einstein showed Newton was wrong about gravity. Now scientists are coming for Einstein.
➥ https://www.nbcnews.com/mach/science...re-ncna1038671