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To do so, astronomers calculate the brightness of stars as they would appear if it were 32.6 light-years, or 10 parsecs from Earth. Another measure of brightness is luminosity, which is the power of a star - the amount of energy (light) that a star emits from its surface.

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How does the hertzsprung Russell diagram classify stars?

increase in absolute brightness as they increase in temperature.Increase in brightness as they increase in temperature


What does the HR diagram do?

It shows certain key characteristics (brightness, and temperature) of stars.


What system classifies stars according to its brightness?

The system that classifies stars according to their brightness is called the magnitude scale. This scale measures the apparent brightness of stars as seen from Earth, with lower numbers indicating brighter stars; for example, a star with a magnitude of 1 is brighter than one with a magnitude of 5. Additionally, the absolute magnitude scale measures the intrinsic brightness of stars at a standard distance of 10 parsecs. Together, these systems help astronomers categorize and compare stars based on their luminosity.


Are stars different sizes and brightness?

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.


What location on the graph best represents a star with average brightness and temperature?

Stars' brightness and temperature are typically represented on a Hertzsprung-Russell (H-R) diagram. An average star like the Sun would be located on the "Main Sequence" portion of the graph, where brightness increases as temperature increases.

Related Questions

In main-sequence stars how does brightness relate to temperature?

The brightness is very similar to the temperature, the brightness relies on the temperature


IN main sequence stars what is the relationship between brightness and temperature?

Brightness tells you the temperature and mostly temperature would tell the brightness of the star that we are talking about.


Temperature and brightness of stars are indicated by what?

Temperature of stars is indicated by their color, with blue stars being hotter than red stars. Brightness of stars is indicated by their luminosity, which is how much light a star emits.


What is the temperature and brightness of stars indicated by?

color


The temperature and brightness of stars are indicated by?

its color :)


What are the temperature and brightness of stars are indicated?

Their Color!(:


What determines how bright stars are?

Size and temperature determine the brightness of stars.


What indicates stars of brightness and temperature?

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.


What are the temperature and brightness of stars indicated by?

The temperature of a star is indicated by its color, with blue stars being hotter than red stars. The brightness of a star is indicated by its apparent magnitude, with lower numbers representing brighter stars.


How can you clasiffy the stars?

by temperature, size, brightness, distance and color


What are the ways stars are classified?

Two ways are by temperature and brightness


The temperature and brightness of stars are indicated by their what?

The temperature of stars is indicated by their color, with cooler stars appearing more red and hotter stars appearing bluer. The brightness of stars is measured in terms of luminosity, which is the total amount of energy emitted per unit of time.