Stellar evolution (AQA A-Level Physics): Flashcards
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Practise the cards
10 cards from this deck
System where Type Ia supernovae occur
System where Type Ia supernovae occur
Binary star systems
Trigger for Type Ia supernova explosion
Trigger for Type Ia supernova explosion
White dwarf reaching critical mass
Light curve
Light curve
Graph of absolute magnitude vs time
Peak absolute magnitude of Type Ia
Peak absolute magnitude of Type Ia
Days to peak brightness after collapse (Type Ia)
Days to peak brightness after collapse (Type Ia)
~20 days
Standard candle
Standard candle
Object with known luminosity & absolute magnitude
Why Type Ia supernovae are good standard candles
Why Type Ia supernovae are good standard candles
Consistent peak () & extremely bright
Max observable distance for Type Ia supernovae
Max observable distance for Type Ia supernovae
1000 Mpc
Distance formula (magnitudes to parsecs)
Distance formula (magnitudes to parsecs)
Universe expansion discovery from Type Ia data
Universe expansion discovery from Type Ia data
Accelerating expansion; implies dark energy