Where do most stars lie on the H-R diagram?
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bầu trời đầy sao
- What will happen to our Sun at the end of its life?
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- What are astronomical observatories?
- How is spectroscopy used to study stars?
- What are the challenges of observing the starry sky?
- How is the large-scale structure of the universe mapped?
- What are Newton's laws of motion and gravity?
- What are some deep-sky objects that are challenging but rewarding to observe?
- What is the microlensing method of exoplanet detection?
- What are meteoroids, meteors, and meteorites?
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