Cramming exam answers

Question 1

what does the steady state theory suggest

Answer 1

1.The universe appears the same in all directions
2.The universe appears the same from all locations
3.the universe is static it has always looked the same and always will

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Question 2

Hubbles law

Answer 2

This shows the recessional velocity of a galaxy from Earth is proportionla to the distance of the galaxy from Earth v=hD

measures the velocity of galaxies away from earth

Question 3

The Doppler Effect

Answer 3

The wavelength(and frequency ) of a wave is shifted according to the relative velocity between the source and observer