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Transcript of HR Diagram
HR diagram, and the
Formation of the Star. It is
mix of gas and dust to
make a star. It is very large. Main Sequence Stars These are examples of main sequence
stars. They are the 2nd stage in a stars
life or in the HR diagram. They can be
many different colors. There are many different examples
of HR diagrams. They all may look
Different, But express the same
Information. Medium Planets Large Planets Depending on the
Size of the star, it will
go to a different part
of the HR diagram
in the future when it
gets older. Think of the HR diagram as a representation of stars throughout their lives. Today, a star could be residing on the main sequence (adult), but when the star ages by hundreds of millions of years, it destabilizes. The next "family portrait" may have that exact same star off the main sequence as a red giant (grandparent phase). Some people say that all stars are the same,
but that is incorrect because every star is at
a different stage in its lifetime. This is a graph relating the temperature
and brightness in comparison to the sun. This sun is a mid-life star and will end up bring a white dwarf in the future. There is not one color star that is the hottest, it all depends. Stars in the stable phase of hydrogen burning lie along the Main Sequence according to their mass. After a star enteres the last stage, the star is completely dead. And will not produce any light.