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the sun gets brighter and the temperature increases

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Does Rigel have a higher luminosity and a lower temperature the the sun?

No.


How will the circle graph change as the sun ages?

As the Sun ages, it will gradually increase in size, brightness, and temperature. This will cause the circle graph representing the Sun to shift towards the higher end of the scale in terms of luminosity and temperature, while the size of the circle may increase slightly. Eventually, the Sun will exhaust its nuclear fuel and evolve into a red giant, causing significant changes in the circle graph.


Is the sun an average star in terms of its size, temperature, and luminosity compared to other stars in the universe?

Yes, the sun is an average-sized star in terms of its size, temperature, and luminosity compared to other stars in the universe.


Does Rigel have a higher luminosity and a lower surface temperature than the sun?

Yes, Rigel has a much higher luminosity than the Sun, being around 120,000 times more luminous. However, it also has a lower surface temperature than the Sun, with a surface temperature of around 11,000 Kelvin compared to the Sun's temperature of approximately 5,500 Kelvin.


What would be the approximate temperature of a star with a luminosity 100 times greatera than the sun?

A star with 100 times the luminosity of the Sun would likely have a surface temperature of around 11,000 to 30,000 degrees Celsius. This higher temperature is required to produce the increased energy output associated with the higher luminosity.


According to the Hertzsprung Russell Diagram what is the luminosity of the Sun?

The Sun is the main basis for many stellar parameters. A far as luminosity goes - it is 1.


What star has a surface temperature 9000k and luminosity about 1 to 20 times greater than the sun?

Sirius


Which star has a higher luminosity and a lower surface temperature than the sun Rigel Bernard's star Alpha Centauri or Aldebaran?

Aldebaran has a higher luminosity and a lower surface temperature than the Sun. Rigel has a higher luminosity but a higher surface temperature than the Sun. Bernard's Star and Alpha Centauri have lower luminosity and higher surface temperatures compared to the Sun.


How is star luminosity measured?

A star's luminosity is measured according to the relevance to the sun. Basically for example, if a star is 8,300 degrees Celsius and has a luminosity of 0.001; the luminosity is compared to the sun.


What does an H-R diagram compare?

An H-R diagram compares the luminosity (brightness) of stars with their surface temperature. It helps classify stars based on their temperature and luminosity, allowing astronomers to study their characteristics and evolution.


Which two stars have the most similar luminosity and surface temperature?

Sirius A and Procyon A are two stars that have similar luminosity and surface temperature. They are both main-sequence stars and are relatively close to each other in terms of these characteristics.


Its is true that Dwarf star are bigger than our sun?

No, dwarf stars are smaller in size and mass compared to our Sun. They are classified by their lower luminosity and surface temperature.