

Big theme: Is/Was there life on Mars?
Keywords: Mars, Atmosphere, photochemistry, organic matter, astrobiology, habitability
Recent Publications (1st author):
S. Koyama, T. Yoshida, Y. Furukawa, et al. (2024) Stable carbon isotope evolution of formaldehyde on early Mars. Scientific Reports 14, 21214. https://doi.org/10.1038/s41598-024-71301-w
S. Koyama, A. Kamada, Y. Furukawa, et al. (2024) Atmospheric formaldehyde production on early Mars leading to a potential formation of bio-important molecules. Scientific Reports 14, 2397. https://doi.org/10.1038/s41598-024-52718-9
S. Koyama, N.Terada, H.Nakagawa, et al. (2021) Stability of atmospheric redox states of early Mars inferred from time response of the regulation of H and O losses, The Astrophysical Journal, 912, 135. https://doi.org/10.3847/1538-4357/abf0ac
Research
Contact
For Mars research: koyama.shungo.q5 at dc.tohoku.ac.jp
For others (coffee, art, etc): dm via instagram, X, or linkedin