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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. 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 seen all of it …

  3. 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.

  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 Stars are in the Milky Way? | Amount, Location & Key Facts

    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 than our Sun. …

  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 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 there in the …

  8. 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 & Summary …

  9. 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 Centauri A. The …

  10. How Big is the Sun? | Comparisons, What Is Bigger, Facts

    Sep 29, 2020 · What Is Bigger than the Sun? The Sun may seem incredibly big, but there are billions of things in the Universe, which are bigger than our Sun. Consider this; our Sun is considered an …