What are red giants? What happens to high-mass stars when they run out of fuel?
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- What is the story behind the constellation Sagittarius? What is the story behind the constellation Capricornus?
- What kind of education and training is required to become a professional astronomer? What are some of the major observatories around the world and what kind of research do they conduct?
- How does atmospheric refraction affect the apparent positions of stars near the horizon? What is atmospheric turbulence and how does it affect astronomical viewing?
- What is Hubble's Law?
- What is the celestial equator? What are the celestial poles?
- What is the Chandrasekhar limit and what is its significance for white dwarf stars? What is the Tolman-Oppenheimer-Volkoff limit and what is its significance for neutron stars?
- How has technology changed the way we interact with and learn about the night sky?
- How are exoplanets detected? What is the Kepler mission?
- What are the fundamental forces of nature and how do they govern the behavior of stars and galaxies? What is quantum mechanics and how does it relate to astrophysics?
- What is the Messier catalog? What are Messier objects?
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