Top 100 universe statistics
Unlock the Secrets of the Universe with Our Comprehensive List of the Top 100 Statistics!
This guide provides the top 100 universe statistics, including the size of the universe, the number of galaxies, the age of the universe, the number of stars, and the number of planets. It also provides information on the types of galaxies, the composition of the universe, and the speed of

Number of stars: Estimated to be 1 septillion (1 followed by 24 zeros)
Rank: 4Explore an Infinite Universe of Possibilities - With Over 1 Septillion Stars!
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Number of planets: Estimated to be 1 nonillion (1 followed by 30 zeros)
Rank: 5Explore the Endless Possibilities of Our Vast Universe: Discover 1 Nonillion Planets!
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The Observable Universe: Approximately 93 billion light years in diameter
Rank: 9Explore the Limitless Possibilities of the Vast and Unfathomable!
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The Moon: The Earth's only natural satellite, approximately 238,855 miles away
Rank: 16Explore the Wonders of the Moon: 238,855 Miles of Unparalleled Beauty
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The Planck Time: The smallest measurable unit of time, approximately 5.4 x 10^-44 seconds
Rank: 23Unlock the mysteries of the universe with The Planck Time: the ultimate measure of time.
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The Asteroid Belt: Located between the orbits of Mars and Jupiter, it's occupied by numerous irregularly shaped bodies called asteroids or minor planets
Rank: 20Explore the Asteroid Belt: Journey to the Edge of Our Solar System and Discover the Mysterious Minor Planets!
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The Fermi Paradox: The apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability
Rank: 27Exploring the Mystery of Why We Haven\'t Found Any Aliens Yet
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The Solar System: Consists of the Sun and everything that orbits it, including planets, dwarf planets, moons, asteroids, and comets
Rank: 17Explore the Universe: Discover the Wonders of the Solar System!
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The Cosmic Microwave Background: The afterglow of the Big Bang, with a temperature of 2.725 Kelvin
Rank: 11 View
Diameter of the Universe: Estimated to be 93 billion light years
Rank: 2Explore the Limitless Possibilities of the Vast Universe: 93 Billion Light Years and Beyond!
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The Multiverse: A hypothetical group of multiple universes
Rank: 30Explore the Possibilities of Infinite Worlds!
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The Big Rip: A hypothetical cosmological model concerning the ultimate fate of the universe, in which the matter of the universe, from stars and galaxies to atoms and subatomic particles, is progressively torn apart by the expansion of the universe
Rank: 38Witness the Ultimate Fate of the Universe: The Big Rip
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The Hubble Constant: The rate of expansion of the universe, approximately 70 kilometers per second per megaparsec
Rank: 10Unlocking the mysteries of the universe, one megaparsec at a time.
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The Planck Length: The smallest measurable length, approximately 1.6 x 10^-35 meters
Rank: 22Unlock the mysteries of the universe with The Planck Length: The ultimate measure of the infinitesimal.
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The Kuiper Belt: A region of the solar system beyond the orbit of Neptune, believed to contain many comets, asteroids, and other small bodies made largely of ice
Rank: 19Exploring the Frozen Frontier: Discovering the Wonders of the Kuiper Belt
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The Steady State Theory: A now-obsolete model which proposed that although the universe is expanding, it nevertheless does not change its look over time
Rank: 34The Steady State Theory: Exploring an Outdated Model of an Ever-Changing Universe.
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The Virgo Supercluster: The galaxy supercluster that contains the Milky Way
Rank: 8Explore the mysteries of the Virgo Supercluster: Unlock the secrets of our home galaxy!
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The Milky Way Galaxy: Our galaxy, contains about 100-400 billion stars
Rank: 6Explore the boundless possibilities of the Milky Way Galaxy: 100-400 billion stars and counting!
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The Cosmic Calendar: A method to visualize the chronology of the universe, scaling its current age of 13.8 billion years to a single year
Rank: 28Unlock the secrets of the universe with The Cosmic Calendar: A revolutionary way to understand the vastness of time!
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The Big Bang Theory: The prevailing cosmological model for the observable universe from the earliest known periods through its subsequent large-scale evolution
Rank: 33Unlocking the Mysteries of the Universe: Exploring the Big Bang Theory
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The Heat Death of the Universe: A possible final thermodynamic state, in which the universe has diminished to a state of no thermodynamic free energy and therefore can no longer sustain processes that consume energy
Rank: 36The End of All Things: Witness the Ultimate Fate of the Universe.
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The Oort Cloud: A theoretical cloud of predominantly icy planetesimals believed to surround the Sun to as far as somewhere between 50,000 and 200,000 AU
Rank: 18Explore the Unknown: Journey to the Edge of the Solar System with the Oort Cloud
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The Theory of Everything: A hypothetical single, all-encompassing, coherent theoretical framework of physics that fully explains and links together all physical aspects of the universe
Rank: 32Unlocking the Secrets of the Universe: Exploring the Power of the Theory of Everything
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Number of galaxies: Estimated to be 2 trillion
Rank: 3Explore the Universe: 2 Trillion Galaxies and Counting!
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The Big Bounce: A theoretical cosmological model for the origin of the known universe, which was derived from the cyclic model or oscillatory universe interpretation of
Rank: 39Unlocking the Secrets of the Universe: Exploring the Big Bounce Theory of the Big Bang
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Dark Energy: Makes up approximately 68% of the universe
Rank: 13Unlock the Power of Dark Energy: Discover the Secrets of the Universe
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The Schwarzschild Radius: The radius of a black hole event horizon, depends on the mass of the black hole
Rank: 25Unlock the secrets of the universe: Discover the power of the Schwarzschild Radius!
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The Chandrasekhar Limit: The maximum mass of a stable white dwarf star, approximately 1.4 solar masses
Rank: 24Unlock the secrets of the cosmos with the Chandrasekhar Limit: The ultimate boundary of a star\'s stability.
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Baryonic Matter: Makes up approximately 5% of the universe
Rank: 14Unlock the Secrets of the Universe: Explore the Mysteries of Baryonic Matter!
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The Andromeda Galaxy: The nearest spiral galaxy to the Milky Way, approximately 2.537 million light years away
Rank: 7Explore the Wonders of the Andromeda Galaxy: 2.537 Million Light Years Away!
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The Drake Equation: An equation used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy
Rank: 26Unlocking the Mysteries of the Universe: Calculating the Possibility of Extraterrestrial Life
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The Inflation Theory: A theory that proposes a period of extremely rapid (exponential) expansion of the universe during its early stages
Rank: 35Unlock the Secrets of the Universe with the Inflation Theory: Exploring the Exponential Expansion of the Early Universe.
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The Speed of Light: Approximately 299,792 kilometers per second
Rank: 21Experience the Unparalleled Power of Light: 299,792 km/s and Beyond!
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The Anthropic Principle: The philosophical consideration that observations of the universe must be compatible with the conscious and sapient life that observes it
Rank: 29Unlocking the mysteries of the universe through the power of conscious thought.
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Age of the Universe: Approximately 13.8 billion years
Rank: 1Unlocking the Mysteries of Time: 13.8 Billion Years and Beyond!
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Dark Matter: Makes up approximately 27% of the universe
Rank: 12Unlock the Mysteries of the Unknown: Explore the Power of Dark Matter
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The Sun: The closest star to Earth, approximately 93 million miles away
Rank: 15Bringing you closer to the stars: The Sun, just 93 million miles away!
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The Big Crunch: A hypothetical scenario for the ultimate fate of the universe, in which the expansion of the universe eventually reverses and the universe recollapses
Rank: 37Unlock the Secrets of the Universe: Experience the Big Crunch!
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The String Theory: A theoretical framework in which the point-like particles of particle physics are replaced by one-dimensional objects called strings
Rank: 31Unravel the Mysteries of the Universe with The String Theory: A Revolutionary New Framework for Understanding Particle Physics.
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