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Mars Methane Sources in Northwestern Gale Crater Inferred From Back Trajectory Modeling

Yung, Y. L.; Luo, Y.; Lin, J. C. +3 more

During its first seven years of operation, the Sample Analysis at Mars Tunable Laser Spectrometer (TLS) on board the Curiosity rover has detected seven methane spikes above a low background abundance in Gale crater. The methane spikes are likely sourced by surface emission within or around Gale crater. Here, we use inverse Lagrangian modeling tech…