"Dark matter is the most mysterious, non-interacting substance in the
Universe. Its gravitational effects are necessary to explain the
rotation of galaxies, the motions of clusters, and the largest
scale-structure in the entire Universe. But on smaller scales, it’s too
sparse and diffuse to impact the motion of the Solar System, the matter
here on Earth, or the origin and evolution of humans in any meaningful
way. Yet the gravity that dark matter provides is an absolute necessity
for allowing our galaxy to hold onto the raw ingredients that made life
like us and planets like Earth possible at all. Without dark matter, the
Universe would likely have no signs of life at all."
Is Dark Matter Required For Life To Exist?
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