• The universe is believed to have originated in a massive event known as the Big Bang, which occurred approximately 13.8 billion years ago.
  • Introduction. The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
  • Today the universe has expanded into an age and size that is physically only in parts observable as the observable universe, which is approximately 93 billion...
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  • The age of the universe is predicted to be around 13.8 billion years old. Since the universe is expanding, it doesn’t have a center point.
  • The Universe is all of space including everything that exists. Our planet, all other planets in existence, stars, and galaxies are all part of the universe.
  • You saw like me that the universe contains planets, stars, galaxies, quasars, black holes and maybe even extraterrestrials, but it’s not is not sure.
  • The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you.
  • Together they construct protons and neutrons, which finally make up atoms, who are the building blocks of nearly everything in the Universe.
  • No one is entirely certain how extensive the Universe truly is, and no one is entirely sure how it will all end.