Astronomy 3 Discussion

Please answer in at least five sentences each.

Is the Hertzsprung-Russell diagram still a valid instrument in studying stars, given that it is over 100 years old?

What are some of the challenges that you might face if you wanted to observe and study stars from Earth?

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Is the Hertzsprung-Russell diagram still a valid instrument in studying stars, given that it is over 100 years old?

The original Hertzsprung-Russell chart demonstrated the otherworldly sort of stars on the horizontal axis and after that the total extent on the vertical axis. Another rendition of the chart plots the successful surface temperature of the star on one hub and the glow of the star on the other.

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