The relationship between a star's temperature and brightness was discovered independently around 1910 by Ejnar Hertzsprung and Henry Norris Russell. The relationship between these to parameters is depicted in a Hertzsprung-Russell diagram or H-R diagram.
edwin hubble
It is not clear what relationships you are talking about. If you mean gravity, that was basically discovered by Sir Isaac Newton, but then it took a while longer to find out how far the stars are from us, and to confirm the gravitational attraction between them.
Ejnar Hertzsprung and Henry Norris Russell,working independently, realized the relationship between a star's temperature and its brightness.Together, in 1910, they formed what is now known as the Hertzsprung--Russell diagram or HR Diagram.It's a scatter graph showing the relationship between a star's absolute magnitudes, their spectral types and temperatures.
scatter graph of stars showing the relationship between the stars' absolute magnitudes orluminosities versus their spectral types orclassifications and effective temperatures.
You can read a description, and find a typical graph, here:http://en.wikipedia.org/wiki/Hertzsprung-Russel_diagram"The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosity versus their spectral types or classifications and effective temperatures. ..."You can read a description, and find a typical graph, here:http://en.wikipedia.org/wiki/Hertzsprung-Russel_diagram"The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosity versus their spectral types or classifications and effective temperatures. ..."You can read a description, and find a typical graph, here:http://en.wikipedia.org/wiki/Hertzsprung-Russel_diagram"The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosity versus their spectral types or classifications and effective temperatures. ..."You can read a description, and find a typical graph, here:http://en.wikipedia.org/wiki/Hertzsprung-Russel_diagram"The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosity versus their spectral types or classifications and effective temperatures. ..."
The Hertzsprung-Russell diagram is a scatter graph of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their spectral types or classifications and effective temperatures.
The two people who discovered the relationship between a star's temperature and its brightness were Ejnar Hertzsrung and H.N. Russell. The two men were working from research that had been done by Ludwig Boltzmann and Joseph Stefan.
Henrietta Swan Leavitt discovered the relationship between the period and luminosity of Cepheid variable stars in 1908. This discovery led to the development of a method to accurately measure distances to faraway galaxies, known as the cosmic distance ladder.
The HR Diagram compares the relationship between the stars' absolute magnitudes or luminosities versus their spectral types or classifications and effective temperatures.
The HR Diagram compares the relationship between the stars' absolute magnitudes or luminosities versus their spectral types or classifications and effective temperatures.
It is believed that the soul undergoes a journey to the stars.
The sun is also a star.