The density of a neutron star will vary with depth into the neutron star. The radius and mass of…
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Is the Amount of Refraction that a Star Experiences Dependent Upon its Brightness or Diameter?
Your calculations are correct in that the Sun is refracted by an amount that is close to its diameter…

Were the First Dust Particles Produced in the Big Bang?
Dust in space is formed in the atmospheres of certain types of stars. Our understanding of the formation of…

What is the Density of a White Dwarf?
According to the description of the properties of a White Dwarf from NASA, an Earth-sized white dwarf has a…

Online Interactive Sky Chart?
Sky and Telescope provides an online interactive sky chart that I think can provide the information you are looking…

Would Colors Be Perceived Differently By Humans On a Planet Orbiting a Different Type of Star Than Our Sun?
Although it is true that the sensitivity of the human eye to different frequencies of light is consistent with…