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The lunar crust is composed of a variety of primary elements, including uranium, thorium, potassium, oxygen, silicon, magnesium, iron, titanium, calcium, aluminium and hydrogen, as determined by spectroscopy.
Originally posted by iori_komei
What about Quantum Singularities, r as there better known as,
black holes, they show us, well atleast to me, that gravity itself
is a seperate force, they have gravity so intense that it can
Originally posted by Xar Ke Zeth
And regarding MRI, Wikipedia says under "technique" that it relies on the "relaxation properties of excited hydrogen nuclei in water". So we don't have microscopic "magnets" as such - it's just the water in our bodies that the MRI scans rely on. If that's the case, take a piece of plastic - no water in that, yet it's still pulled down by gravity.
Basic Working Principle Of MRI:
This information is not meant for those of you who haven’t still forgotten your high school chemistry and biology. It is a well known fact that 70 % of human body is made up of water, made up of two integral components – Hydrogen and Oxygen.
Remember those good old times when you were fascinated by tiny magnet pieces attracting pins, coins and other metal objects? May be you would be surprised to know that there are these tiny little magnets inside your body as well. Yes! The hydrogen atoms in our body behave just the same way and the MRI diagnostic procedure makes use of these hydrogen atoms in the body, which are so abundant.
One problem I see is with your "bodies attracted magnetically". How do objects with no magnetic field stay in orbit?
Weight is an entirely different thing. Every object in the universe with mass attracts every other object with mass. The amount of attraction depends on the size of the masses and how far apart they are. For everyday-sized objects, this gravitational pull is vanishingly small, but the pull between a very large object, like the Earth, and another object, like you, can be easily measured. How? All you have to do is stand on a scale! Scales measure the force of attraction between you and the Earth. This force of attraction between you and the Earth (or any other planet) is called your weight.
Gravity, the weakest of the four forces, is about 10-36 times the strength of the strong force. This weakness is easily demonstrable - on a dry day, rub a comb across your shirt to give it static electricity, then hold it over a piece of paper on a desk. If you were successful, the piece of paper lifts off the desk. It takes an entire planet to keep the paper on the desk, but this force is easily overcome with everyday materials employing the electromagnetic force.