Expose-R2 in space

Expose-R2 in space

Released

29/07/2015 3:17 pm

Copyright

Roscosmos

Description

The Expose-R2 facility on the International Space Station. As part of ESA’s Expose-R2 project, 46 species of bacteria, fungi and arthropods are inside those containers as they spend 18 months bolted to the outside of the International Space Station.

The vacuum of space is sucking out the water, oxygen and other gases in the samples. Their temperature can drop to –12°C as the Station passes through Earth’s shadow, rising to 40°C at other times, and undergoing a similar process to the freeze-drying used to preserve foods.

The Expose experiments are exploring the limits of terrestrial life, whether the organisms can survive in space and how the full blast of solar radiation is affecting accompanying chemicals.

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