- Introduction. The Universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy.
- 2. There are more stars in the universe than grains of sand on all the beaches on Earth. The sheer number of stars in the universe is mind-boggling.
- The Big Bang Theory. Cosmological studies say that the initial form of the universe occurred because of an explosion with a large capacity.
- At the largest scale, galaxies are distributed uniformly and the same in all directions, meaning that the universe has neither an edge nor a center.
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- Key Facts & Summary. In the beginning, the universe was infinitely hot – minutes after its birth estimates suggest that it had around 1 billion Kelvin degrees.
- Scale of the Universe. Scale of Universe is an interactive experience to inspire people to learn about the vast ranges of the visible and invisible world.
- And if these geological features are rare elsewhere in the universe, then perhaps that explains why we haven’t yet discovered intelligent alien life.
- Matter, space, and time were non-existent before the creation of the universe. There are countless millions of galaxies in the universe.
- It is the edge of the observable Universe. Any light emitted beyond that has not yet reached us as its travel time is longer than the age of the Universe.