Venus Was Wet: A Measurement of the Ratio of Deuterium to Hydrogen
Abstract
The deuterium-hydrogen abundance ratio in the Venus atmosphere was measured while the inlets to the Pioneer Venus large probe mass spectrometer were coated with sulfuric acid from Venus' clouds. The ratio is (1.6 ± 0.2) × 10-2. The hundredfold enrichment of deuterium means that at least 0.3 percent of a terrestrial ocean was outgassed on Venus, but is consistent with a much greater production.
- Publication:
-
Science
- Pub Date:
- May 1982
- DOI:
- 10.1126/science.216.4546.630
- Bibcode:
- 1982Sci...216..630D
- Keywords:
-
- Abundance;
- Deuterium;
- Planetary Composition;
- Planetary Evolution;
- Venus Atmosphere;
- Water;
- Atmospheric Composition;
- Outgassing;
- Lunar and Planetary Exploration; Venus;
- VENUS;
- WATER;
- DEUTERIUM;
- HYDROGEN;
- ELEMENT RATIOS;
- ABUNDANCE;
- DATA;
- ATMOSPHERE;
- PIONEER VENUS;
- MASS SPECTROMETER;
- SULFURIC ACID;
- CLOUDS;
- ENRICHMENT;
- OUTGASSING;
- CARBON DIOXIDE;
- SULFUR DIOXIDE;
- HYRODYNAMICS;
- ESCAPE;
- MIXING RATIO;
- LNMS;
- WATER VAPOR