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For a long times, it was considered to be VY Canis Majoris, but new studies have reduced its size. The present record is held by UY Scuti at 1708 times the diameter of the Sun. That works out to about 2,250,000,000km.

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8y ago
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8y ago

The HR diagram plots absolute magnitude against temperature (or color). The largest stars are the supergiants; these tend to have a high absolute magnitude, and a low surface temperature.

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Q: What is the largest star in the hr diagram?
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Related questions

What chart show is the characteristics of a star?

HR diagram


Where does a star spend most of its life on an hr diagram?

On the main sequence.


What information is need to plot a star on h-r diagram?

You need to know the luminosity and temperature of star in order to plot it on the HR diagram.


When a star changes its position in the HR diagram it is because the star is?

undergoing changes in its temperature and/or luminosity, which affect its spectral type and position on the HR diagram.


Why is the hr diagram important to scientist?

The Hertzsprung-Russell diagram helps scientists understand the life cycle of stars by showing the relationship between a star's luminosity and temperature. It enables astronomers to classify stars based on their evolutionary stage and predict their future evolution. This diagram is essential for studying the properties and behavior of stars within galaxies.


Are most of the stars on the HR diagram are classified as which type of star?

stars there called stars


What type of star has a high temperature and a high luminosity in the hr diagram?

White dwarfs.


What type of star has a high temperature and high luminosity in the HR diagram?

White dwarfs.


Most of the stars on the HR Diagram are classified as which type of star?

stars there called stars


What is the HR diagram based on?

The Hertzsprung-Russell (HR) diagram is based on plotting a star's luminosity against its temperature or spectral type. This diagram helps astronomers classify stars based on their evolutionary stage and enables them to study relationships between a star's properties such as temperature, luminosity, and size.


Why do supernovas not appear on the HR diagram?

Supernovas are not included in the Hertzsprung-Russell (HR) diagram because they are rare and short-lived events. The HR diagram is a snapshot of stars in a stable state, while supernovas are violent explosions that mark the end of a star's life. Supernovas release huge amounts of energy and disrupt the star's structure, making their inclusion on the HR diagram challenging.


What relationship is shown on the HR diagram?

The Hertzsprung-Russel diagram shows brightness versus color (the color reflects the star's temperature).