The deuterium and lithium-7 in distant quasars and in the interstellar medium suggests that the Universe is open.

Name: The deuterium and lithium-7 in distant quasars and in the interstellar medium suggests that the Universe is open.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The observed abundances of deuterium and lithium-7 in distant quasars and in the interstellar medium indicate that the Universe is expanding and that its density is not high enough to close it, thus suggesting that it is open.

The Deuterium and Lithium-7 in Distant Quasars and in the Interstellar