Ask An AStronomer Answer Archive

Black Holes Cosmology Galaxies History Meteors, Comets and Asteroids Miscellaneous Moon
Nebulae Night Sky Physics Planets Space Stars Star Clusters Telescopes


  1. I need to know everything about the Sun.
  2. How far away is Polaris? Where can I find reliable distances to nearby stars?
  3. How do the stars move relative to the Earth?
  4. Can I pay to have a star named? How do I do it? Is it "official"?
  5. What is a "pulsar"?

  6. What does the doppler effect tell us about stars' rotations?
  7. What are the details about the nuclear reactions that power the Sun?
  8. Why are stars never born alone?
  9. What is our nearest star after the Sun?
  10. How do I determine the size of a star from the Herzsprung-Russel Diagram?

  11. What happens when stars die?
  12. I saw a star next to Regulus. Is Regulus a double star?
  13. I have questions about the lives of high mass stars/
  14. I "bought" a star. Where can I get a picture of it?
  15. Where can I find detailed information on the sun's structure?

  16. How do I measure the angle between stars?
  17. How does the magnetosphere of a star develope as it is born in a molecular cloud?
  18. What is the difference between stars and planets?
  19. What conditions were required to form the sun from a cloud of gas?
  20. What determines a star's mass when it is born?
  21. How do you find the distance to stars using "spectroscopic parallax?"