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Astronomi

QuestionAnswer
De Galileiske Måner Io, Ganymedes, Europa, Callisto
AE Astronomisk enhed. Afstand fra Jorden til Solen
Planeterne i solsystemet i rækkefølge Merkur, Venus, Jorden, Mars, Jupiter, Saturn, Uranus, Neptun
Månens faser Nymåne, tiltagende, fuldmåne, aftagende
Keplers 1. lov Alle planeter bevæger sig i elipsebaner med Solen i det ene brændpunkt
Keplers 2. lov Hastighedsvariationen i en planets bevægelse.
Keplers 3. lov Der er en matematisk sammenhæng mellem den halve storakse a og omløbstiden T for planeterne. Når afstanden til Solen bliver større, vil omløbstiden vokse.
Undvigelsesfart Den mindste fart, som et atom eller et molekyle skal have for at kunne undslippe fra en planet.
Created by: 1297133630300860
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