S8 Ep875: PREVIEW for Later Today: Bob Zimmerman discusses a mysterious "brain terrain" image from Mars. He explains that scientists are unsure if the feature was formed by volcanic activity or ice sublimation, emphasizing the need for future geological explorat
S8 Ep875: PREVIEW for Later Today: Bob Zimmerman discusses a mysterious "brain terrain" image from Mars. He explains that scientists are unsure if the feature was formed by volcanic activity or ice sublimation, emphasizing the need for future geological explorat  
Podcast: The John Batchelor Show
Published On: Fri May 15 2026
Description: PREVIEW for Later Today: Bob Zimmerman discusses a mysterious "brain terrain" image from Mars. He explains that scientists are unsure if the feature was formed by volcanic activity or ice sublimation, emphasizing the need for future geological exploration.FEBRUARY 1955