Lessons › Unit 7
Astrophysics
Stars: their light, distances, brightness, temperature and life cycles. 7 lessons.
All lessons
7.1Olbers' ParadoxState Olbers' paradox.7.2Stellar SpectroscopyExplain how a star's spectrum shows its composition.7.3Determining Stellar DistancesExplain parallax.7.4Star MagnitudeDistinguish apparent and absolute magnitude.7.5Star TemperatureRelate a star's colour to its temperature.7.6HR DiagramIdentify the main sequence, giants and white dwarfs.7.7Stellar EvolutionDescribe the life cycles of low-mass and high-mass stars.