Answers are grounded in this paper and cite their sources.
Context.Little is known about individual molecular clouds at high redshifts. The gravitational lens toward B0218+357 offers the unique possibility to study cool moderately dense gas with high sensitivity and angular resolution in a cloud that existed half a Hubble time ago.
No takes yet. Share an insight, caveat, or question.
Jethava et al. (2007) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: