In this video the JK experts remove the engine bolts from a Volkswagen in preparation to for removal of the engine.
Dark matter. Written By: Dark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 26.5 percent of the matter-energy composition of the universe; the rest is dark energy (73 percent) and âordinaryâ visible matter (0.5 percent).
What is dark matter? The galaxies in our Universe are not exclusively made up of the stuff we can see, but are held together by the gravitational pull of so-called dark matter. We shouldn't assume that everything is equally conspicuous and shouldn't therefore be surprised by this discovery. The Earth at night.