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What is the Sun Made of? The Sun is basically a big ball of gas, being made by around 91% hydrogen and 8.9% helium, in regards to atoms. When it comes to the Sun’s mass, it is made out of 70.6% hydrogen and 27.4% helium. The Sun’s mass is enormous, being 330.000 times than our Earth’s mass, which is 5.9 quadrillion kg.
The Sun is 870,000 miles (1.4 million kilometers) across. This is so big it is hard to imagine, but it would take more than one million Earths to fill the size of the Sun! The Sun is so big it takes up 99% of the matter in our solar system. The 1% left over is taken up by planets, asteroids, moons and other matter.
You could fill the Sun with 1,000 Jupiter-sized planets, so that is how small Jupiter is compared to our Sun. You know the saying, there is always a bigger fish. Why is Jupiter so Big? Jupiter is so big because it is the oldest planet in our Solar System. It formed around one million years after the Solar System.
How Many Moons Can Fit in the Sun? The Sun is gigantic, and if it were hollow, you could fill it with around 64.3 million Earth moons. If you could fill it with Earth-sized planets, you would need about 1.3 million Earths. The Sun has a radius of 696.340 km / 432.685 mi and a diameter of 1.39 million km / 864.000 mi.
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. Jupiter would be 15 cm in diameter (the size of a large grapefruit) and 5 blocks away from the Sun. Saturn (the size of an orange) would be 10 blocks away; Uranus and Neptune (lemons) 20 and 30 blocks away.
When comparing Venus to the Sun, it starts to shrink drastically, as you could fit 1.5 million Venus-sized planets inside the Sun, if it were hallowed. Now let’s talk about Mars. Mars is the second-smallest planet in the Solar System, having a diameter of only 6.779 km / 4.212 mi (30% bigger than Mercury), and a radius of 3.389 km / 2.105 mi ...
Size and Distance. Our Sun is a relatively medium-sized type of star. It has a radius of 432,168 mi / 695,508 km and a diameter of around 1.39 million kilometers / 864,000 miles. This is 109 times greater than the diameter of our planet. The volume of the Sun is so great that you would need 1.3 million Earth-sized planets to fill it.
Earth and Solar System Size Comparison Earth vs Mercury. Mercury is the smallest terrestrial planet, and overall the smallest planet in our Solar System. It has a diameter of only 4.879 km / 3.032 mi and a radius of 2.439 km / 1.516 mi and only 0.055 Earth masses. Our Earth is three times bigger than Mercury.
Its small size but enormous core is theorized to be the result of a collision with another giant object that stripped much of its surface. Distance, Size and Mass. Mercury is the closest planet to the Sun, at a distance of 57.91 million kilometers / 35.98 miles or 0.4 AU away. It takes sunlight 3.2 minutes to travel from the Sun to Mercury.
If we were to speak in meters, then the Sun would be 150.4 billion meters away from Earth. The Earth orbits the Sun once every 365.3 days, while farther planets such as Mars, completes an orbit around the Sun in 687 days. For comparison, Mars is 1.5 AU away from the Sun, which would translate to 227.94 million km / 141.70 million mi.