Classroom Aid - Type Ia Supernova

Text in ’How far away is it - Supernovae and Star Clusters’ document In this segment of our “How far away is it” video book, we cover Supernovae and star clusters. As we start Supernovae, we compare the magnitude of the exploding star that created the Helix Planetary Nebula with the explosion that created the Crab Nebula. We take the opportunity to describe the size and densities of White Dwarfs as compared to Neutron