How would a sub-ice cryobot send its gathered ocean data back up to the surface lander?
Chapter 1

Europa the frozen jewel of Jupiter

Chapter 2

Enceladus the active geyser of Saturn

Chapter 3

The recipe for alien life

Chapter 4

Hunting for life in space

YOUR GOAL

Master of Oceans of Europa and Enceladus

Ch 4 · Hunting for life in space
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artiteacher The threat of forward space contamination

Jul 12

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artiteacher Hunting for life in space

Ice-covered moons, / oceans below, / ready for life!

Jul 10

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artiteacher The international rules of planetary protection

Jul 12

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The international rules of planetary protection

artiteacher International treaties dictate how cleanly we must explore other worlds.

Jul 10

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The threat of forward space contamination

artiteacher Space agencies must sterilize spacecraft to avoid accidentally colonizing other worlds with Earth microbes.

Jul 10

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Hunting for life in space
BETA

artiteacher Steer your probe through icy plumes to discover if Europa and Enceladus could support life.

Jul 10

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Fun Fact

Spacecraft cleaning: Spacecraft are assembled in cleanrooms cleaner than surgical operating rooms to prevent carrying Earth microbes.

Jul 10

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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.

Jul 10

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Gossip

Should we spend billions exploring ocean moons or focus on Mars first?

Jul 10

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Quiz

What did the Cassini spacecraft do at the end of its mission in 2017 to protect Saturn's moons from contamination?

Jul 10

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artiteacher Sampling ocean plumes without landing

Jul 12

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Quiz

What type of robot is being designed to melt through the thick ice shells of ocean moons?

Jul 10

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artiteacher Future robotic drills for icy worlds

Jul 12

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Quiz

What is the name of the planetary protection category assigned to missions targeting high-priority ocean moons?

Jul 10

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Quiz

How would a sub-ice cryobot send its gathered ocean data back up to the surface lander?

Jul 10

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Quiz

What extreme sterilization method is often used on spacecraft components to kill stubborn Earth bacteria?

Jul 10

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Quiz

Why is it easier to sample Enceladus's ocean than Europa's ocean?

Jul 10

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Quiz

Which international committee sets the guidelines for preventing planetary contamination during space missions?

Jul 10

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Quiz

What is the term for accidentally introducing Earth microbes to another planet or moon?

Jul 10