The expansion of the universe accelerating or decelerating
- Is the expansion of the universe accelerating coasting or decelerating
- At time d is the expansion of the universe accelerating coasting or decelerating
- At time bb is the expansion of the universe accelerating coasting or decelerating
- At time cc is the expansion of the universe accelerating coasting or decelerating
- At time dd is the expansion of the universe accelerating coasting or decelerating