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main-sequence stars
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∙ 11y ago
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How many hours are there in 5400 minutes?
60 min = 1 hr ⇒ 5400 min = 5400 ÷ 60 hr = 90 hr
A graph used to study the stars?
An HR gram
How many km per hr is 90 miles per hour?
90 mph = 144.8 kph (rounded)
90 min equals how many hr?
1.5 or 1 1/2
If you make 13.00 an hour and receive a 6 percent pay increase what is your new hourly rate?
$13.00/hr * 1.06 (6%) = $13.78/hr
Where are stars on the hr diagram?
The HR diagram contains only stars - so everywhere.
Why is there no neurton stars in the hr diagram?
Of course they are on the HR diagram. They are simply not on the main sequence.
What types of stars are found on an HR diagram?
All stars.
Are most of the stars on the HR diagram are classified as which type of star?
stars there called stars
Most of the stars on the HR Diagram are classified as which type of star?
stars there called stars
What are the smallest stars in the HR diagram?
The red dwarves.
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.
Where are most stars plotted on an HR diagram?
Most stars are plotted along the main sequence in the Hertzsprung-Russell (HR) diagram, which extends diagonally from the upper left (hot and luminous stars) to the lower right (cool and less luminous stars). This is because the majority of stars, including our Sun, spend the majority of their lives in the main sequence phase where they are fusing hydrogen into helium.
What are the stars located on the left side of the hr diagram like?
They are very hot stars.
What kind is stars are shown along the middle of the HR diagram?
The curve that currently contains most stars on the HR diagram is called the "main sequence". It consists of those stars that fuse hydrogen-1, converting it into helium-4.
Does An HR diagram plots a stars luminosity and surface temperature?
Yes, an HR diagram plots a star's luminosity (brightness) against its surface temperature, also known as color or spectral type. This graph shows the relationship between these two characteristics for different stars, allowing astronomers to classify and study them.
The hr diagram graphs what 2 things?
The temperature and luminosity of stars.
