Assume (s) that the expansion rate of the universe always stays the same. predict (s) that the universe is expanding today. predict (s) that the universe will someday contract. predict (s) that the average density of mass in universe is exactly the critical density. predict (s) that the universe is expanding faster now than it was in the distant past.

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Geography

Lorena Gilbert

24 September, 20:36

Assume (s) that the expansion rate of the universe always stays the same. predict (s) that the universe is expanding today. predict (s) that the universe will someday contract. predict (s) that the average density of mass in universe is exactly the critical density. predict (s) that the universe is expanding faster now than it was in the distant past.

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Daniela Brennan · Answer 1

The coasting model assumes that the expansion rate of the universe always stays the same. All four models (coasting, recollapsing, critical, and accelerating) predict that the universe is expanding today. Recollapsing model predicts that the universe will someday contract. The critical model predicts that the average density of mass in universe is exactly the critical density. The accelerating model predicts that the universe is expanding faster now than it was in the distant past.