Describe what red shift is and why i provides evidence for the Big Bang Theory.
Red-shift is the increase in wavelength emitted from distant objects moving away from the observer, making them appear more red.The Big Bang Theory states that the universe began from a singularity which then expanded, meaning objects are moving away from each other, leading to red-shift.
RD
Related Physics GCSE answers
All answers ▸Using standard formulae, derive an expression for the final speed of a falling object in terms of its change in height. Assume zero air resistance or other resistive forces.
How to calculate temperature of expanded ideal gas.
What type of radioactive decay reduces the mass number of a nucleus? Explain how it works.
What is the difference between alpha and gamma radiation?