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Galakser

QuestionAnswer
Hvad er en spiralgalakse? En spiralgalakse har spiralarme som snor sig om centrum
Hvilken hob ligger Mælkevejen i? Den ligger i den lokale hob
Hvilken superhob ligger Mælkevejen i? Den ligger i den lokale superhob
Hvornår vil Mælkevejen og Andromedagalaksen cirka støde sammen? De vil støde sammen om cirka 4 milliarder år
Hvilken type galakse er Mælkevejen? Mælkevejen er en galakse af typen SBb, hvilket betyder at det er en spiralgalakse med bjælkestruktur
Hvad forstås ved begreberne mergers og kannibalisme? Når to galakser støder sammen kan de merge og hænge sammen. Kannibalisme er når en stor galakse "spiser" en mindre galakse.
Hvilken galakse bevæger sig mod Mælkevejen og vil merge med den om cirka 4 milliarder år? Andromedagalaksen
Hvad beskriver de små bogstaver a, b og c ved en spiralgalakse eller en bjælkegalakse? De beskriver hvor tæt spiralarmene er viklet om centrum
Har en elliptisk galakse spiralarme? Nej
Hvordan ser en galakse af typen S0 ud? Det er en hel flad skive uden spiralarme.
Created by: Sigrid K
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