I think that the description of how a star works on the ThinkCo web site provides a very nice…
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Will Capella Aa and Ab Merge When They Both Become Red Giants?
It is my understanding that both Capella Aa and Ab have exhausted their core hydrogen and evolved off the…

How Does the Photon Density From a Star Change With Distance?
I believe that your question has been answered on the Physics Stack Exchange. For a star of radius R…

How to Find Properties of Stars
You might try the Simbad database (http://simbad.u-strasbg.fr/simbad/) to find the properties of the star you are interested in. I…

Some Questions About Pulsars
1) Has there been any reported trinary pulsar clusters? I don’t believe so. The closest analog that I am…

Does the Density of a Neutron Star Change with Mass?
The density of a neutron star will vary with depth into the neutron star. The radius and mass of…