Which of the following were necessary for Einstein to formulate equations describing the Universe as a whole?

Question

Quizplus · Accepted Answer

In order for Einstein to formulate equations describing the Universe as a whole, he needed to assume both homogeneity and isotropy (meaning that the Universe is both uniform and looks the same in all directions). Additionally, Einstein's theory of general relativity was necessary to accurately describe the way that gravity affects the geometry of spacetime. Therefore, all of the above factors - homogeneity, isotropy, and general relativity - were necessary for Einstein's equations to accurately describe the Universe.

Which of the Following Were Necessary for Einstein to Formulate