In modern cosmology, the origin of the Universe is the instant when all the matter and energy that currently exist in the Universe emerged as a result of a great expansion.

<h3>Theories about the origin of the universe</h3>

may change due to further investigations

<h3>in astronomer proposed a new theory about the evolution of the universe what is the next step the astronomer should take to make his theory reliable</h3>

publish the theory in a scientific journal to let people know about it

<h3>where negatively charged particles would most likely be found in an atom</h3>

outside the core

With this information, we can conclude that Electrons – Negatively charged particles located in the electrosphere; Neutrons – Neutral charged particles that, like protons, make up the nucleus of the atom. The attraction or repulsion of bodies depends on the nature of the electric charge: Bodies with charges of the same nature (or sign) – repel each other.

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