Scientists believe Earth and its moon formed around the same time as the rest of the solar system.
They think that was about 4.5 billion years ago. Earth is the fifth-largest planet in the solar system.
Its diameter is about 8,000 miles.
And Earth is the third closest planet to the sun.
Its average distance from the sun is about 93 million miles. Only Mercury and Venus are closer. I also learned that Earth orbits the sun once every 365 days or one year. The shape of its orbit is not quite a perfect circle. It's more like an oval, which causes Earth's distance from the sun to vary during the year. Earth is nearest the sun, or at "perihelion," in January when it's about 91 million miles away. Earth is farthest from the sun, or at "aphelion," in July when it's about 95 million miles away. And that At all times, half of Earth is lighted by the sun and half is in darkness. Areas facing toward the sun experience daytime. Areas facing away from the sun experience nighttime. As the planet spins, most places on Earth cycle through day and night once every 24 hours. The North Pole and the South Pole have continuous daylight or darkness depending on the time of year.
Hi Cyris I like how you explained to us about what Scientists told people how old the world is, and how close it is to the sun. Good Work Cyris.
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