By adding the cosmological constant, Einstein made the unive… By adding the cosmological constant, Einstein made the universe steady in that the Universe neither expanded nor contracted. Read Details
The ___________ view of the Universe is that it is eternal a… The ___________ view of the Universe is that it is eternal and unchanging. Read Details
Stars are eternal and unchanging in your lifetime but not ov… Stars are eternal and unchanging in your lifetime but not over a star’s lifetime Read Details
What is the primary factor in determining the classification… What is the primary factor in determining the classification for an elliptical galaxy? Read Details
Many classical Greek astronomers believed Earth could not mo… Many classical Greek astronomers believed Earth could not move because they detected no parallax. Read Details