Astrophysics 2 - Stars!! (A-level)

Everything you've ever wanted to know about stars! Especially catered for AQA Astrophysics option, but also useful for OCR and Edexcel exam boards *Correction: Ratio of intensities question in magnitude section should be flipped: I1/I2 *Correction: at 17:35 it should be 8 solar masses not 3 #physics #alevel #aqa #stars #astrophysics 00:00 Introduction 00:23 Defining key terms 01:20 Hipparcos scale 04:46 Apparent vs. Absolute magnitude 07:17 A.U & Light year 08:04 What is a Parsec? 10:39 Black body radiation & temperature 10:58 Stefan’s Law 12:21 Wien’s Law 13:44 Spectral classes OBAFGKM 16:43 Stellar evolution, black holes 20:47 Herzsprung-Russel diagram 23:06 Supernovae 25:25 SM black holes, dark energy