Statistics
Publications
221
Citations
22K
H-Index
76
Active since
1965
J. R. Johnson is an author at Jet Propulsion Laboratory specializing in engineering, geology, and geochemistry.
Publications per year
1965–2025
221
221
In Situ Evidence for an Ancient Aqueous Environment at Meridiani Planum, Mars
S. W. Squyres, J. P. Grotzinger, R. E. Arvidson et al. · Science · 2004 · 946 citations · Full text
A Habitable Fluvio-Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars
J. P. Grotzinger, D. Y. Sumner, Linda C. Kah et al. · Science · 2013 · 876 citations
R. E. Arvidson, S. W. Squyres, Robert C. Anderson et al. · Journal of Geophysical Research Atmospheres · 2006 · 706 citations · Full text
1–5 of 221