Exam-style question
Try this first
Which description of red-shift is consistent with the Steady State theory?.
- A.The universe is oscillating, causing light to alternately redden and blue-shift.
- B.Galaxies are moving away from each other through space, just like objects on an expanding balloon surface.
- C.Electromagnetic forces cause light waves to lose energy and appear redder over time.
- D.Dark energy causes light waves to bend, creating the illusion of red-shift.
Answer and explanation
Attempt the question first, then reveal the model answer and explanation.
Common mistake
No common mistake is linked to this question yet.