Monthly Archives: January 2015

The proton-proton 1 chain

In a previous article, I have written about the binding energy. If we look again at the diagram of binding energies per nucleus, we see that the first big peak is at the isotope, so that is where we expect … Continue reading

Posted in Uncategorized | Leave a comment

Nuclear binding Energy of Helium-4 and “mass loss”

Let’s assume we know that the Sun converts 4 protons into one helium-4 through a process called the proton-proton chain (we’ll look into that with details in the following post). Why is this reaction exothermic? Comparing the mass of the … Continue reading

Posted in Uncategorized | Leave a comment

How does the Sun shine? (Part 3: Early nuclear physics – Einstein’s equation between mass and energy)

In 1905, from the special theory of relativity, Einstein showed that a tiny amount of mass could, in principle, be converted into a tremendous amount of energy: . Einstein’s famous equation generalized and extended the 19th century law of conservation … Continue reading

Posted in Uncategorized | Leave a comment