FIND THE ANSWERS

A nebula's spectrum reveals that the bright pink emission line normally at 656.28nm has moved to 656.94nm. What is its motion and how fast?

Answer this question

Do you know the correct answer? Make money answering questions! Join now.
  • A nebula's spectrum reveals that the bright pink emission line normally at 656.28nm has moved to 656.94nm. What is its motion and how fast?


Answers