David Lawrence2012
Lawrence reports that hydrogen-rich polar deposits measured by MESSENGER are consistent with thick accumulations of water ice.
United States · Science / Astronomy. Chronological records rendered directly from the World History Database.
Lawrence reports that hydrogen-rich polar deposits measured by MESSENGER are consistent with thick accumulations of water ice.
This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.