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Bookmark or Share- How Big is the Universe? | Size, Why So Big, Infinite & FactsThe observable Universe is 93 billion light-years in diameter. Some scientists believe its true size is even scarier than that. By using the Bayesian model averaging, scientists estimated that the Universe is at least 250 times larger than the observable Universe, or at least 7 trillion light-years in diameter.
- Solar System Facts | Information, Size, History and DefinitionThen the model Earth would be about 1.3 cm in diameter (the size of a grape). The Moon would be about 30 cm (about a foot) from the Earth. The Sun would be 1.5 meters in diameter (about the height of a man) and 150 meters (about a city block) from the Earth.
- Ceres Facts | Orbit, Composition, Size, Gravity & DefinitionIts size would later grant it the status of a dwarf planet, in 2006. It is located just under 2.8 Astronomical Units away from the Sun and thus it receives its light in about 22 minutes, and is approximately 3.5 Astronomical Units away from Earth , light thus takes 29 minutes to arrive to us from Ceres.
- How Big is the Earth? | Size Comparison, Actual Size & FactsEarth’s Moon has a diameter of around 3.474 km / 2.158 mi and a radius of 1.737 km / 1.079 mi. In comparison to Earth, the Moon has only 1.2% of Earth’s mass, or in another way of looking at it, the Earth is 81 times heavier than the Moon. The Moon is about one quarter the size of Earth, and it would take around 50 moons to fill the Earth.
- How Big is the Moon? | Comparisons, Size, Facts & InformationHow does the Moon compare to Earth? Our Moon’s diameter is more than a quarter of Earth’s diameter, while its mass is 1/81 that of Earth’s. It basically weighs 80 times less than our Earth. The Moon’s radius is only 27% of our Earth’s radius. If our Earth were hollow, it would take around 50 Moons to fill it.
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