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  1. How Big is the Universe? | Size, Why So Big, Infinite & Facts

    Sep 29, 2020 · The Universe is so big because it is constantly expanding, and it does so at a speed that even exceeds the speed of light. Click for more.

  2. How Many Galaxies are there in the Universe? | Amount & Discovery

    Sep 29, 2020 · The Universe is considered by some to be infinite, while others find comfort in the fact that it may have an end. Click for more.

  3. The Universe | Facts, Information, History & Definition

    Aug 19, 2020 · Since we cannot observe the space beyond the edge of the observable universe, it is unknown whether the size of the Universe, in its totality, is finite or infinite.

  4. Galaxy vs Universe: What's the Difference? | Space Questions

    Oct 31, 2023 · What Is the Difference Between Galaxies and the Universe? The terms universe and galaxy share one common point, they are both terms related to space. Beyond this however the key …

  5. Interactive Solar System Tour | 3D Model of the Solar System

    To sum it up, our universe offers infinite mysteries and wonders for us to discover. As we move forward, let’s keep looking up and fueling our curiosity. Remember, no question is a bad question and our …

  6. Where is the Center of the Universe? | Space Questions

    Aug 22, 2023 · Essentially the universe is not extending into space because it is considered to be space itself. The universe then theoretically is space so it expands in size but not into any finite empty …

  7. Speed of Light | Facts, Information, History & Definition

    Mar 17, 2020 · Thus, almost everything we see in the universe is literally history. This principle guides us in our understanding of the universe after the Big Bang. The more distant a celestial object is, the …

  8. Why Are Galaxies Flat? | Space Questions - The Nine Planets

    Sep 5, 2023 · How the Universe Was Created In order to answer the question of why galaxies are flat we need to take a closer look at how our universe likely formed. The theoretical Big Bang event is a …

  9. How Old is the Universe? | How They Know, Age & History

    Sep 29, 2020 · One of the most debated topics in astronomy is how old the Universe is. Click to read our comprehensive post on the age of the Universe.

  10. Do Galaxies Orbit Anything? | Space Questions

    Oct 31, 2023 · The theory suggests that at one point all the matter in the universe was held together in an area of infinite density and temperature. This was prior to the Big Bang which in truth was more of …