NASA Astronaut Tracy Caldwell-Dyson Looks out a Cupola Module Window at the Earth Below (image) NASA/Johnson Space Center Share Print E-Mail Caption Self-portrait taken by NASA Astronaut Tracy Caldwell-Dyson (Expedition 24) of herself as she looks out a Cupola Module window at the Earth below. Behavioral Health investigations evaluate crew members' responses to isolation and confinement on long-duration missions. Credit NASA Usage Restrictions Credit NASA Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.