GCSE Edexcel Physics Redshift: During the twentieth century red

Question

During the twentieth century red-shift and CMB radiation were discovered.

They have provided scientists with data to test theories of the origin of the Universe.

(a) (i) CMB is an abbreviation for

(ii) State which theory about the origin of the Universe is supported by the existence of CMB.

(iii) There is a red-shift in the light received from some galaxies.
State what is meant by red-shift.

(b) Stars have different stages in their evolution.

(i) Which of these gives the next stages in the evolution of the Sun?
Put a cross (X) in the box next to your answer.

A white dwarf then black hole
B neutron star then white dwarf
C red giant then supernova
D red giant then white dwarf

(ii) Modern telescopes can provide us with more data than the telescopes used 100 years ago.
Explain what additional data can be collected and processed using modern telescopes.

During the twentieth century red-shift and CMB radiation were discovered - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

Worked Solution & Example Answer:During the twentieth century red-shift and CMB radiation were discovered - Edexcel - GCSE Physics - Question 1 - 2013 - Paper 1

CMB is an abbreviation for

State which theory about the origin of the Universe is supported by the existence of CMB.

State what is meant by red-shift.

Which of these gives the next stages in the evolution of the Sun?

Explain what additional data can be collected and processed using modern telescopes.

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