Dark Energy, Dark Matter

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By: Ebaa Alzoory

More is unknown than is known. We know how much dark energy there is because we know how it affects the universe’s expansion. Other than that, it is a complete mystery. But it is an important mystery. It turns out that roughly 68% of the universe is dark energy. Dark matter makes up about 27%. The rest – everything on Earth, everything ever observed with all of our instruments, all normal matter – adds up to less than 5% of the universe. Come to think of it, maybe it shouldn’t be called “normal” matter at all, since it is such a small fraction of the universe.

Learn more here:  https://science.nasa.gov/astrophysics/focus-areas/what-is-dark-energy

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This relate to engineering because engineers wan to understand the world better.