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Hvad er universets alder estimeret til på nuværende tidspunkt ca 13,7 milliarder år
Hvad er z, og til hvilke formål kan dette bruges til? Z er rødforskydning og z kan bruges til afstandsbestemmelse og til bestemmelse af den fart galakser bevæger sig væk fra os.
Hvorfor udvider universet sig? Dette skyldes den mørke energi
Nævn de 3 søjler Helium, Baggrundsstrålingen og Hubbles lov
Created by: Navid