The Hertzsprung-Russell (H-R) diagram is commonly divided into several key regions, each characterized by specific types of stars. Here’s a brief overview of the characteristics of the stars found in the main areas of the H-R diagram:
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Main Sequence:
- Characteristics: These stars are in the stable phase of hydrogen fusion in their cores. They range from hot, massive O type stars at the upper left to cool, less massive M type stars at the lower right. The majority of stars, including our Sun, are found in this area.
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Red Giants:
- Characteristics: These stars are large, luminous, and cool. They occupy the upper right portion of the H-R diagram. Red giants have exhausted the hydrogen in their cores and have started to fuse helium or heavier elements.
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White Dwarfs:
- Characteristics: Located in the lower left portion of the H-R diagram, white dwarfs are small, hot remnants of stars that have exhausted their nuclear fuel. They are very dense and emit light due to residual heat.
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Supergiants:
- Characteristics: These are extremely luminous and massive stars, found in the upper left part of the diagram. Supergiants can be either blue (hot) or red (cool) and represent some of the largest stars in the universe.
Feel free to assign the characteristics to the respective boxes based on this information! If you need more specific details or clarifications, let me know!