Quiz

CCI02.02.02.- The Big Bang, Cosmology part 1: Crash Course Astronomy

PEDRO ÁLVAREZ JIMÉNEZ 5 perguntas 5,0 (1 avaliação)

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1In what consists the redshift phenomenon?
1. ABodies of the universe move away
2. BThe bodies of the universe are approaching
3. CNone of them
2What astronomer/s concluded the universe is expanding?
1. ALamaitre
2. BSlipher
3. CFriedmann
3What is the “lookback time”?
1. ALook at the sky is look at the past
2. BLook at the sky is look at the future
3. CThe phenomenon that would make plausible “The Time Machine”
4Galaxies are moving away from each other because they are clearly moving
1. AVerdadeiro
2. BFalso
5How old is the universe?
1. A1382 million years
2. B3 times older than the Earth
3. CMore than 13.000 million years