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Monday, January 30, 2023
Home Aaron Curtis, a postdoctoral scholar at JPL, stands next to an ice tower. These towers form over caves as gases escape and freeze in the open air. (Nial Peters) Aaron Curtis, a postdoctoral scholar at JPL, stands next to an ice tower. These towers form over caves as gases escape and freeze in the open air. (Nial Peters)

Aaron Curtis, a postdoctoral scholar at JPL, stands next to an ice tower. These towers form over caves as gases escape and freeze in the open air. (Nial Peters)

Aaron Curtis, a postdoctoral scholar at JPL, stands next to an ice tower. These towers form over caves as gases escape and freeze in the open air. (Nial Peters)

Aaron Curtis, a postdoctoral scholar at JPL, stands next to an ice tower. These towers form over caves as gases escape and freeze in the open air. (Nial Peters)

Aaron Curtis, a post-doctoral scholar at JPL, measures gases inside an ice cave. Carbon dioxide levels can be especially high inside the caves, so gas monitors are necessary for safety. (Dylan Taylor)