What is a parsec? How do astronomers determine the distances to stars?
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- How can we effectively communicate complex astronomical concepts to a wider audience? What are some of the ethical considerations associated with searching for extraterrestrial intelligence (SETI) around distant stars?
- What are the future telescopes that will help us study distant stars even further? What are some citizen science projects related to distant stars and galaxies?
- What are the challenges and limitations of these simulations?
- How do observations of distant objects constrain and improve these models? What are some of the most extreme and unusual distant stars and galaxies that have been observed?
- Does the vastness of the universe imply that life might be common elsewhere?
- How can observations of distant astrophysical phenomena test the laws of physics under extreme conditions? What are some of the citizen science projects that allow the public to contribute to real astronomical research on distant stars and galaxies?
- What are the hot topics of research in extragalactic astronomy? How can we encourage more young people to pursue careers in astronomy and astrophysics?
- How is redshift used to determine distance? What are the brightest distant stars visible from Earth?
- What are Type Ia supernovae? How do we know about stars that are too far for parallax?
- How do observations of the cosmic microwave background and large-scale structure constrain these alternative models? How can the study of distant stars and galaxies inform our understanding of the very early universe, close to the Big Bang?
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