Which of the following is the MOST likely ultimate fate of the universe if mass in the universe is less than the critical density and there is no dark energy:
W) it will eventually stop expanding and maintain a constant size
X) it will stop expanding and collapse
Y) it will expand forever
Z) it will expand at an accelerating rate and then nearly collapse, then expand again and continue to oscillate this way forever
✔️Answer:Y) IT WILL EXPAND FOREVER
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