A picture rich presentation on black holes and galaxies. It explains how a black hole forms when a giant star collapses and why not even light can escape, with clear definitions of the photon sphere, event horizon and singularity. It then introduces galaxies, the Milky Way and the three main types of galaxy.
What this presentation covers
- How black holes form
- photon sphere, event horizon and singularity
- galaxies and groups of galaxies
- the Milky Way
- elliptical, spiral and irregular galaxies
Level: KS3 / GCSE
Slides: 33
Format: PowerPoint (.ppt)