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.
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.
Yes! Some stars are supergiants, which means that they are high-mass stars. They explode in a supernova towards the end of their life. These stars are generally brighter than others. A star's brightness also depends on its temperature. Red stars are the coolest temperature, followed by orange, yellow, white and blue stars.
The first to classify stars by their brightness was the Greek astronomer Hipparchus in the 2nd century BC. He ranked stars based on their apparent magnitude, with 1 being the brightest and 6 being the faintest.
Both relate to brightness; both are measured in the same units; both are used for astronomical objects such as stars or galaxies.
True. The apparent brightness of a star is inversely proportional to the square of the distance between the star and the observer. So if the distance is doubled, the apparent brightness will decrease by a factor of four.
Hertzsprung and Russell.
Hertzsprung and Russell.
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Brightness tells you the temperature and mostly temperature would tell the brightness of the star that we are talking about.
As temperature increases the absolute brightness increases
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.
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Did you mean this to be in 'Relationships'? If so, skin colour indicates nothing about the 'Brightness' of the person involved - on this planet or any other! Some words for your research: 'Black Body Curves'. Again, erm, nothing to do with 'Relationships!' 'Black Body' means that we are assuming that the item in question is completely black - we are ignoring any reflected light. So any light coming off it is light radiated from it. Now, here, on earth, generally, there is no relationship between {brightness and colour} and temperature: the brightness and colour of an object is the light it is reflecting. There are a few exceptions: The Sun, and stars, which are emmiting light becasue they are so hot, filament light globes - Quartz Halogen, which give off bluish-white light because their filament temperature is so high, or old-style incandescent, whose orrange-yellow light is because they use a lower temperature. And, or course, anything which heats up high enough to begin glowing. Good luck - and I hope this helps!
The color of stars determines temperature. Red/brown stars are cooler, blue stars are hotter, and yellow stars are in between. Brightness also has some correlation with color. Both are based on many varying factors however.
The Hertzsprung-Russell diagram graphs stars' luminosity (brightness) against their surface temperature (color or spectral type). This diagram helps astronomers study the relationships between a star's temperature, size, age, and evolutionary stage.
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.
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.