Red-shift (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What does red shift show about galaxies?
What does red shift show about galaxies?
They are moving away from us
What does red shift indicate about the universe?
What does red shift indicate about the universe?
It is expanding
What does the expanding universe suggest about its origin?
What does the expanding universe suggest about its origin?
It originated from a single point
What was the early universe like in terms of temperature?
What was the early universe like in terms of temperature?
Extremely hot
What type of radiation did first stars and matter emit?
What type of radiation did first stars and matter emit?
Short-wavelength radiation
What happened to radiation as the universe expanded?
What happened to radiation as the universe expanded?
It stretched and cooled
What did the early short-wavelength radiation transform into?
What did the early short-wavelength radiation transform into?
Microwave radiation
Where can Cosmic Microwave Background radiation be detected?
Where can Cosmic Microwave Background radiation be detected?
Anywhere we point a telescope in the sky
What does CMB provide evidence for?
What does CMB provide evidence for?
The hot, dense early universe
How does the Big Bang theory relate to experimental evidence?
How does the Big Bang theory relate to experimental evidence?
It aligns with all current evidence
What are believed to be driving the accelerated expansion of the universe?
What are believed to be driving the accelerated expansion of the universe?
Dark matter and dark energy