Will the universe run out of hydrogen?

Nathen Smith asked a question: Will the universe run out of hydrogen?
Asked By: Nathen Smith
Date created: Sun, Jun 27, 2021 12:45 PM



Those who are looking for an answer to the question «Will the universe run out of hydrogen?» often ask the following questions:

❓ How much hydrogen is left in the universe?

The rest of the periodic table appeared after the formation of the first stars, so stars essentially, convert hydrogen to other elements and this slowly uses up the Hydrogen present as fuel in the universe, however there is way way too much Hydrogen in the universe and it would take many trillions of years to consume all the hydrogen available for fusion and the remaining stars would slowly fade to white dwarves or neutron stars or black holes, the former two would exist for a quadrillion ...

❓ 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.

❓ Which is heavier hydrogen or helium in the universe?

  • In astronomy, metallicity is the abundance of elements present in an object that are heavier than hydrogen or helium. Most of the physical matter in the Universe is in the form of hydrogen and helium, so astronomers use the word "metals" as a convenient short term for "all elements except hydrogen and helium".

10 other answers

Good answer Stephen Perrenod. One other way the universe could run out of hydrogen is that the proton could decay, since the lightest isotope of hydrogen has a proton as its nucleus. This has never been observed.

One of the theories on how the universe will end is that eventually, all the resources will be used up and every star will burn out. It could indeed, though it will probably suffer heat death before that entirely happens. Heat death cannot occur before hydrogen runs out.

We’ll never run out of H+. Heck that stuff is already cluttering up our daily experience. 75% of the baryonic mass of the Universe is our little one-protoned friend. Closely followed up by helium...

Most stars are composed primarily of hydrogen and after all, it is the most abundant element in the universe. Advertisement Keep in mind that we can see the universe has evolved by studying some ...

Billions of years from now, our sun (like all stars in the universe) will eventually run out of the hydrogen that fuels the nuclear reactions in its core. Without this fuel, the sun's core will...

The less molecular hydrogen there is, the fewer stars will form. The research team's paper is in press in Monthly Notices of the Royal Astronomical Society. Astronomers have known for at least 15...

After 10 40 years, black holes will dominate the universe. They will slowly evaporate via Hawking radiation. A black hole with a mass of around 1 M☉ will vanish in around 2 × 10 66 years. As the lifetime of a black hole is proportional to the cube of its mass, more massive black holes take longer to decay.

While the pure hydrogen gas and the helium would have been kicked off the planet relatively quickly by the Sun, the remaining gases would have stuck around for much longer, eventually leaving...

One day in the distant future the Sun will run out of hydrogen fuel. This will begin in approximately 6.4 billion years at which point the Sun will exit the main sequence stage of its life. With its hydrogen exhausted in the core, its inner helium ash that has built up there will become unstable and collapse under its own weight.

Hydrogen is the most plentiful element in the universe, but it must be separated from some other substance, like water or fossil fuels. For example, industries like oil refining use large ...

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