I'm sorry if I'm not being clear but a Cepheid Star decreases in brightness over time before increasing due to the fact that it can no longer contain the energy.
Correct?
As the graph shows, which should mean the energy lost causes the star to cool, and then contract. And as the energy being...
After going through the starting parts of Astrophysics, (and excuse me if I completely mess this up), that if the apparent brightness of the star decreases due to the loss in energy and contracts then expands again over a certain period.
Then as the energy released has a mass equivalence, then...
Say you have two stars, star A and star B, separated by a distance of x, and the light from star A went directly from A to B but was heading directly for the centre point of star B.
If the light passed near star B then due to the mass the will bend, yet if it was to pass through (or try to) the...
While that does make sense, if the mass of the atom as a whole changes and the electrons don't change mass, then do the Neutrons or Proton, or in the case of the Hydrogen example, just the proton change mass to account for this change?
If Energy levels differ in accordance to the orbital, say like 2s and 3d orbitals, then shouldn't the mass of the electron then change to uphold E=mc^2?
Or is there something I am missing?