Earth, our home planet, is the only place that supports life. It is the only planet to have plate tectonics. Approximately 71% percent of the planet’s surface is covered with water. How big is our Earth? Its radius is 2.439 kilometers / 1.516 miles and has a diameter of 7.917 miles/ 12.742 km. Want to know how Earth’s size is compared to the other planets? Let’s find out!
Our earth is the fifth biggest planet in the Solar System and the largest of the terrestrial planets. The Sun is 1,391,000 kilometers(864,400 miles) distant from our planet. The distance of Earth from the Sun is approximately 109 times the diameter of Earth. Compared to Earth, the Sun is the biggest star at the center of the solar system. The weight of the sun is roughly 333,000 times more than our Earth.
To simply put, the Moon is one-quarter of the size of our planet. It may take about 50 moons to fill the Earth. Our planet is 81 times heavier than the moon. Compared to Earth, the moon has only 1.2 percent of the Earth’s mass. The Moon’s diameter is approximately 2.158 miles/3.474 km and its radius is 1.737 km / 1.079 miles.
How much do you know about solar system planets sizes? Scroll down to find more information about Earth and other planets’ sizes.
Mercury is known as the smallest terrestrial planet and also is the smallest planet in our solar system. Its diameter is around 4.879 km / 3.032 miles and its radius is approximately 2.439 km / 1.516 miles. Earth is three times larger than Mercury.
Venus is considered the second largest terrestrial planet following the Earth. Venus has a diameter of 7.521 miles/12.104 km and its radius is roughly 6.051 km / 3.760 mi. It is the sixth biggest planet from the sun. Venus’s mass is equal to 0.9 Earth masses. With surface average temperatures of 465o C/900o F, Venus is known as the hottest planet in the Solar System.
Mars is known as the red planet. With a diameter of only 6.779 km / 4.212 miles, Mars is considered the second-smallest planet in the solar system. It has a radius of 3.389 km / 2.105 miles. Earth is two times larger than Mars.
Saturn is bigger than Earth and its diameter is 9.5 times. It is the second-largest planet in the solar system.Its diameter is about 120.536 km / 74.897 miles and its radius is approximately 58.232 km / 36.183 miles.
Jupiter is the largest planet in the Solar System and has a diameter of approximately 88.846 miles/ 142.984 km at the equator and its mean radius is around 43.440 miles/ 69.911 km. It is 121.9 times bigger than our planet.
Uranus is four times bigger than Earth. It has a radius of approximately 15,759.2 miles/25,362 kilometers. Its diameter is about 51.118 km / 31.763 miles.
Earth vs Neptune
With a radius of 15,299.4 miles/ 24,622 kilometers, Neptune is the fourth-largest planet in the solar system. Its diameter is 49.244 km / 30.598 miles.
Earth vs Pluto
With a diameter of 1,430 miles (2,302 kilometers), Pluto is known as the ninth-largest planet in the solar system. It may not be considered a planet anymore. Its diameter is around 2.376 km / 1.476 miles. It contains 0.01 Earth masses. It has only 18.5% of our Earth’s diameter.
How much do you know about the solar system? Take our fun quiz on ‘solar system planets sizes.’
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