We always observe the night sky and think how far are the stars from us. Well after watching this video you exactly know how The Parallax method is used to calculate the Stellar distances.
2 questions (which were asked in the 1.01 video) on luminosity and apparent brightness are also covered in this video.
Kindly ignore the video quality and enjoy the information conveyed to you all.
• Preliminary Video -1.01- Luminosity & Appa...
• Chapter1: Ideas about the Universe(Stephen...