Einstein discovered that energy and mass are equivalent. Discuss one of the technological development that has emerged from this knowledge? Is the human race better or worse off with it? Explain your answer. .

Einstein discovered that energy and mass are equivalent. Discuss one of the technological development that has emerged from this knowledge? Is the human race better or worse off with it? Explain your answer.  .   

Why do you think astronomy was important to people in ancient times? How do those beliefs affect us today?

Discuss  one observation that has led to our modern theory of solar system formation? Explain your answer.