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Why do all stars have hydrogen and helium?
Hydrogen and helium were the first elements formed after the Big Bang, and they continue to be the most common elements in the universe due to their abundance. Stars form from clouds of gas and dust in space, and since hydrogen and helium are the most abundant elements available, they make up the majority of a star's composition.
The two elements most abundant in the universe are?
Hydrogen and helium are the two most abundant elements in the universe.
What are the top 10 elements in the galaxy?
The most common elements in the Universe are hydrogen and helium. For additional elements, check the Wikipedia article on "Abundance of the chemical elements".
What fraction of the mass in the known universe is made up of hydrogen and helium?
By mass, hydrogen = 75%, helium = 23%.
What are all the stars in the universe comprised of?
Hydrogen And Helium
What makes up two sun?
Hydrogen is the most common element in the universe as a whole; about 75% of the universe by mass is hydrogen (since hydrogen is also the lightest element, that means that the percentage by number of atoms is even higher) . Helium is second; oxygen is a fairly distant third.
Where are gases like hydrogen and helium most abundant?
Hydrogen and helium are the first elements produced in the universe after the big-bang.
Is hydrogen found in the universe formed by stars?
No. The hydrogen in the universe was formed during the Big Bang. Stars consume hydrogen, fusing it into helium.
Why are hydrogen and helium the two most abundant gases in your universe?
Because in our universe they are the simplest.
What gases make up your universe?
Hydrogen and Helium gases make up the universe.
What are the things that make the universe?
The vast majority of matter in the universe is in the form of Hydrogen and Helium.
What two elemants are the most common in the universe?
Hydrogen and helium.
