Would you volunteer to colonize Mars?
Chapter 1

Reading Earth's oldest diaries

Chapter 2

Robot detectives on the red planet

Chapter 3

Decoding light from distant worlds

YOUR GOAL

Master of Fossilized whispers and cosmic gas

Ch 2 · Robot detectives on the red planet
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007skaty The Perseverance rover detected ring-shaped carbon compounds on Mars.

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007skaty Robot Detectives on Mars

SHERLOC's laser, Martian rust, ancient life in the dusty crust!

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The hardest part of any search is proving we haven't just fooled ourselves.

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007skaty NASA's Curiosity rover measures fluctuating methane gas on Mars.

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Ring-shaped carbon compounds found by Perseverance rover

007skaty During 2022, the rover found aromatic organic compounds that serve as ingredients for biosignatures, though they do not

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Fluctuating methane spikes detected by Curiosity rover

007skaty The Curiosity rover analyzes glowing plumes of methane gas rising from the soil

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Robot detectives on the red planet
BETA

007skaty Decode chemical clues in Martian rocks to learn how scientists search for ancient biosignatures.

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Fun Fact

Martian soil sparks: The perchlorates that fooled Viking landers are actually toxic salts that could be used as rocket fuel by future astronauts.

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Glossary
rover (noun)
A vehicle designed to explore the surface of a planet or other celestial body. In February 2021, the Perseverance rover landed in Jezero Crater to search for ancient microbial biosignatures.

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Gossip

Would you volunteer to colonize Mars?

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Quiz

In which Martian crater did the Curiosity rover detect seasonal spikes of methane gas?

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007skaty The Viking lander experiments produced confusing chemical reactions on Mars

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Quiz

Why is opaline silica on Mars considered a potential structural biosignature?

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007skaty NASA's Spirit rover uncovered strange silica finger structures on Mars.

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Quiz

What chemical compound in Martian soil caused the Viking landers' biological experiments to mimic life?

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Quiz

What instrument on the Perseverance rover is used to search for organic compounds in Jezero Crater?

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Quiz

Approximately what percentage of Earth's atmospheric methane is produced by living organisms?

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Quiz

Which NASA Mars landers in 1976 yielded a famous 'false positive' for biological life?

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Quiz

How did the Spirit rover accidentally discover rich opaline silica deposits in Gusev Crater?

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Quiz

What two chemical elements make up the organic molecules found by Perseverance in Jezero Crater?

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