3128195
Beschreibung
Quiz von m.h.weber01, aktualisiert more than 1 year ago
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Erstellt von m.h.weber01
vor mehr als 9 Jahre
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Frage 1
Frage
What does CMBR stand for?
Antworten
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Cosmic microwave background radiation
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Cosmological microwave background radiation
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Cosmic microwave background radiography
Frage 2
Frage
What are the three main pieces of evidence for the Big Bang Theory?
Antworten
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We can still hear the explosion with special equipment
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We can detect radiation left over from the big bang (CMBR)
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We can tell that all distant galaxies are moving away from us because they are red-shifted
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We can tell that all distant galaxies are moving closer to us because they are red-shifted
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Very distant galaxies move faster away from us than closer ones
Frage 3
Frage
The light from distant galaxies appears more blue than it should because the waves emitted have a shorter wavelength due to the doppler effect
Antworten
- True
- False
Frage 4
Frage
How old is the universe estimated to be?
Antworten
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13.7 thousand years old
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13.7 million years old
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13.7 billion years old
Frage 5
Frage
The further away a galaxy is from us, the faster it is moving away from us
Antworten
- True
- False
Frage 6
Frage
According to the Doppler effect, what happens to sound waves emitted at a constant pitch from a car moving towards you?
Antworten
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They move more quickly, so their pitch increases
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Their wavelength increases, so their pitch increases
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Their frequency increases, so their pitch increases
Frage 7
Frage
What piece of evidence is only explained using the Big Bang Theory?
Antworten
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CMBR
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Red shift
Frage 8
Frage
What do missing wavelengths/black lines on the spectrum of light wavelengths emitted from a star mean?
Antworten
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These are the chemical components of dust in space between us and the star absorbing certain light frequencies
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These are the chemical components of the star absorbing certain light frequencies
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These form when there are solar flares which interrupt the emission of light from the star
Frage 9
Frage
All elements absorb the same wavelength of light
Antworten
- True
- False
Frage 10
Frage
The absorption lines on the Spectra of distant galaxies are shifted ______ relative to the sun
Antworten
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Red
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Blue
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