The Universe contains the galaxy we live in, which is called the Milky Way galaxy. Milky way has our solar system. Our Solar System has eight planets. The Sun which is the largest star in our solar system is at the center of our solar system. This quiz I have created is to provide some information about the universe. The Big Bang Theory is the prevailing cosmological description of the development of the Universe. Under this theory, space and time emerged together 13.799±0.021 billion years ago and the energy and matter initially present have become less dense as the Universe expanded.
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