What is the Universe Made Of? Exploring Physics and Astronomy

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In summary, the universe is made up of various elements and particles, including ordinary matter, dark matter, and dark energy. These components interact with each other through the fundamental forces of gravity, electromagnetism, and the strong and weak nuclear forces. The study of physics and astronomy helps us understand the composition and behavior of the universe, from the smallest subatomic particles to the largest galaxies and structures. Scientists continue to explore and unravel the mysteries of the universe, seeking to understand its origins and ultimate fate.
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JayWilbur
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I want to understand how the universe works. Toward that end I obtained BS and MS degrees in physics and astronomy from the Univ of Maryland. I've also enjoyed reading several of the many popular books on these subjects. Physics has not been a career for me, but has always been a passion.
 
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