The above image shows Hubble's map: Dark matter may be invisible but it accounts for most of the Universe's mass. Its gravitational attraction acts as a template, pulling normal matter - the stars in their galaxy groupings – into the large-scale structures we can see through telescopes.
or if that doesn’t mean much too you, the universe is made up of:
4% atoms – that means that everything we know about, including you, me, other humans, all other life forms, tv’s cars, mountains, air, seas, planets, moons, stars, nebulae, galaxies, etc. i.e. absolutely everything. period.
23% cold dark matter – the stuff that holds galaxies, and clusters of galaxies together, but we can’t detect, but we know it’s there, but we also know that it doesn’t belong to the above 4% group.
73% dark energy. the force that is driving the expansion of the universe and has been since the big bang (sorry creationists)
that means that 96% of the energy density in the universe is in a form that has never been directly detected in the laboratory.
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