What are the colors of stars in polar ring galaxies?
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- What are absorption lines in a star's spectrum and what do they tell us?
- Does atmospheric distortion affect our perception of star color? Are there any famous examples of red stars?
- Could there be stars formed in the very early universe with colors unlike anything we see today?
- How do the colors of stars in galaxies at different cosmological epochs compare?
- How do we account for these biases when studying the demographics of star colors in different environments? What are the most extreme examples of red supergiants and blue hypergiants known?
- How can educators use the concept of star colors to teach astronomy? What are some interactive tools or simulations that demonstrate the relationship between star color and temperature?
- Are there any stars that are so dense that their gravity significantly affects the color of their emitted light? What are the colors of stars in the Andromeda galaxy compared to those in our own?
- Are the colors of jets emanating from black holes related to the colors of stars? What are dwarf galaxies and how do their colors differ from those of larger galaxies?
- What are luminous blue variables and how do their colors change during outbursts?
- Is there any correlation between the color of a star and the properties of its planetary system? How do the colors of stars in binary systems with white dwarf companions differ from single stars?
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