Understanding Neutron Star Formation and the Missing Ingredient

In summary, stars are primarily made up of hydrogen and helium gas, with other elements present in smaller amounts. They produce light and heat through nuclear fusion and their lifespan depends on their mass. Stars can die when they run out of fuel and scientists study them using telescopes and analyzing their emissions.
  • #1
skywolf
81
0
when a star collapses into a neutron star, its protons merge with its electrons right?, if so, isn't there one more "ingredient", where does that come from?
 
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  • #2
Maybe you're thinking of neutrinos in the reaction p + e -> n + v ? In that case, the neutrinos are created in the interaction and escape the neutron star.

PS. There's a "Stellar Astrophysics" forum where such questions should go.
 
  • #3


Yes, when a star collapses into a neutron star, its protons and electrons do merge to form neutrons. However, there is another crucial ingredient that is needed for neutron star formation - the strong nuclear force. This force is responsible for holding the neutrons together in such a dense and compact structure. Without it, the neutrons would simply repel each other and the neutron star would not be able to form.

The strong nuclear force is one of the four fundamental forces in the universe, along with gravity, electromagnetism, and the weak nuclear force. It is the strongest force among these four and is responsible for binding the protons and neutrons together in an atom's nucleus. In the extreme conditions of a collapsing star, this force becomes even stronger, allowing the neutrons to resist the immense gravitational forces and form a neutron star.

So, while the merging of protons and electrons is an important step in the formation of a neutron star, it is the strong nuclear force that is the missing ingredient that ultimately enables this process to occur. Without it, we would not have these incredibly dense and fascinating objects in our universe.
 

1. What is a star made of?

Stars are mainly composed of hydrogen and helium gas, with small amounts of other elements such as carbon, oxygen, and iron. The exact composition may vary depending on the age and size of the star.

2. How do stars produce light and heat?

Stars produce light and heat through the process of nuclear fusion, where hydrogen atoms fuse together to form helium. This releases an enormous amount of energy, which is what makes stars shine.

3. How long do stars live?

The lifespan of a star depends on its mass. Larger stars have a shorter lifespan, while smaller stars can live for billions of years. On average, a star like our sun will live for about 10 billion years.

4. Can stars die?

Yes, stars can die. When a star runs out of hydrogen fuel, it will begin to fuse heavier elements such as helium and carbon. Eventually, the star will run out of fuel completely and either collapse into a white dwarf, neutron star, or black hole.

5. How do scientists study and observe stars?

Scientists study and observe stars using telescopes, both ground-based and space-based. They can also analyze the light and radiation emitted by stars to gather information about their temperature, composition, and size.

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