Oceans of Europa and Enceladus
Chapter 1
Europa the frozen jewel of Jupiter
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Chapter 2
Enceladus the active geyser of Saturn
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Chapter 3
The recipe for alien life
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Chapter 4
Hunting for life in space
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YOUR GOAL
Master of Oceans of Europa and Enceladus
Ch 4 · Hunting for life in space
Fun Fact
Spacecraft cleaning: Spacecraft are assembled in cleanrooms cleaner than surgical operating rooms to prevent carrying Earth microbes.
Glossary
biosignature (noun)
Any substance or phenomenon that provides scientific evidence of past or present life. In 2005, NASA's Cassini spacecraft detected potential organic biosignatures in plumes erupting from Enceladus.
Any substance or phenomenon that provides scientific evidence of past or present life. In 2005, NASA's Cassini spacecraft detected potential organic biosignatures in plumes erupting from Enceladus.
Quiz
What did the Cassini spacecraft do at the end of its mission in 2017 to protect Saturn's moons from contamination?
Quiz
What type of robot is being designed to melt through the thick ice shells of ocean moons?
Quiz
What is the name of the planetary protection category assigned to missions targeting high-priority ocean moons?
Quiz
How would a sub-ice cryobot send its gathered ocean data back up to the surface lander?
Quiz
What extreme sterilization method is often used on spacecraft components to kill stubborn Earth bacteria?
Quiz
Which international committee sets the guidelines for preventing planetary contamination during space missions?