Distantly Detecting Deuterium: Nature (1994)

Distantly Detecting Deuterium
Author(s):John N. Bahcall
Journal:Nature, 368, 584 (14 April 1994)

This News and Views article for Nature magazine comments on observational results suggesting a tentative detection of deuterium far outside our Galaxy (z = 3.3) and a useful upper limit on the temperature of the cosmic microwave background also at a large redshift (at z = 2.9).

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