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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. The Universe | Facts, Information, History & Definition

    Aug 19, 2020 · The Universe is practically everything. From space, time, and their contents, which include planets, stars, galaxies. Click for more.

  3. What Is the Biggest Star in the Universe? - The Nine Planets

    Nov 5, 2019 · Therefore, you may wonder, what is the biggest star in our universe? The problem with this questions is that the universe is HUGE, and we haven’t touched, photographed, or …

  4. 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.

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

    Sep 29, 2020 · The Large Magellanic Cloud may have as many as 10 billion stars within it. This small galaxy will collide with our Milky Way in around 2.4 billion years. How Many Galaxies are …

  6. What is the Big Bang Theory? | Facts, Theories, Information & History

    Mar 17, 2020 · When it comes to our Universe, the Big Bang theory is the most accepted scientific theory in regards to explaining the origin of everything.

  7. How Many Stars are in the Milky Way? | Amount, Location & Key …

    Sep 29, 2020 · The biggest stars in our Universe are classified as hypergiants or supergiants; there are also giant stars, but they pale in comparison, yet, still, they are several times bigger …

  8. Stars | Facts, Information, History & Definition

    Jan 8, 2020 · The majority of all stars in our galaxy and even the Universe are main-sequence stars. Our Sun is a main-sequence star, and so are our nearest neighbors, Sirius and Alpha …

  9. R136a1 | Facts, Information, History & Definition

    Dec 6, 2019 · R136a1 is the most massive and luminous star ever discovered in the Universe. It is also one of the hottest stars, and it is located in the Large Magellanic Cloud. Key Facts & …

  10. 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 …