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Universe 1

Understanding the universe

QuestionAnswer
When the Universe was created? Aproximatively 15 billions years ago.
How do we call the evenment that created the Universe? The big-bang.
What are the first particles in the Unverse? Protons, electrons and neutrons.
When do the first particles of helium and hydrogen created? Aproximatively 300000 years after the big-bang.
What are the 4 primary forces that exist in the Universe? The electromagnetic force, the gravitation force, the strong interactive force and the weak interactive force.
Created by: Leshter
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