Tag: variable stars
Choosing Comparison and Check Stars: Criteria and Common Mistakes in Variable Star Observation
Learn how to choose reliable comparison and check stars for observing variable stars, avoid common mistakes, and contribute accurate data to astronomy. Essential guide for amateur observers.
RR Lyrae Variables: What These Pulsating Stars Reveal About the Universe
RR Lyrae variables are ancient, pulsating stars that heartbeat every few hours, helping astronomers measure distances across the galaxy. Their regular cycles make them vital cosmic yardsticks for mapping the Milky Way’s structure and age.