The planets
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The document discusses our solar system, including that the universe contains countless stars, dust and gas grouped into galaxies. It notes that the sun is the largest star in our solar system, made of hot gases around 4.5 billion years old. It also provides a table showing the diameters, distances from the sun, and number of moons for each of the eight planets in our solar system - Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
The planets
- 2. Universe is the whole aerospace without boundary composed of countless stars, dust and gas.
- 3. Galaxy The assembly of the stars in the universe is called galaxy.
- 4. Sun  The biggest star in solar system. Made of boiling hot gasses Sun is about 4.5 billion years old.
- 5. Planets Diameters (km) Distance from the sun (km) Number of moons or natural satellites Mercury 4,879 57,909,000 none Venus 12,104 108,209,000 none Earth 12,756 149,598,000 1 Mars 6,794 227,937,000 2 Jupiter 142,984 778,412,000 No less than 63 Saturn 120,536 1,426,725,000 No less than 60 Uranus 51,118 2,870,927,000 No less than 27 Neptune 49,528 4,498,253,000 No less than 13