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Given that the Sun has 99+ percent of the mass of the Solar System, the percentage of helium in the Solar System is basically the percentage of helium in the Sun. That's about 25%.

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8y ago

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What substances make up most of the solar system?

That would be the hydrogen in the sun. The second most plentiful substancein the solar system would be the helium in the sun, being the fused hydrogen.


When the solar system was created planets were formed from the ten percent of matter left over from a nebula?

No. The planets make up about a tenth of a percent of the mass of the solar system. Not ten percent. Ten percent of the sun's mass would be enough to make a red dwarf star.


Would a balloon float longer if it had 100 percent helium or half helium and half oxygen?

100% helium


What would happen if there was no solar system?

if there were no solar system then there would be no life?


Are planets part of the solar system?

yes otherwise it would not be a solar system yes otherwise it would not be a solar system


Why do you have your solar system?

we have the solar system because if we didn't then there would be no earth.


What is the biggest star in your solar system?

I would hope that you are in the same solar system that I am. That would be our sun.


What is a heart in the solar system?

The heart is the star around which the solar system orbits. In our solar system the heart would be our sun


What is the second most abundant element in your solar system?

Well as the Sun contains more mass than all the planets moons etc put together; and is basically just a huge Fusion reactor turning Hydrogen into Helium , Helium would be the answer


What is the biggest body of your solar system?

You mean - of THE solar system ?? That would be the sun.


I would like to know would be why do we have a solar system and i would also like to know would be how did are solar system make?

well r solar system is not a man made structure its just not its not created by clouds or anything its created by god and we have a solar system cuz well we just do.


Where were atoms other than hydrogen and helium that compose the earth and the rest of the solar system formed?

Inside of other stars; stars that then exploded in supernova explosions and which threw their mass back into space, where it would be available to form new solar systems.