Is It Okay to Touch Mars?

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Earth and Mars size comparison:
calculate how much you’d weigh on Mars:
Martian ‘sun dial’:
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Touching Mars images (walnut regolith):
Pascal Lee:
Other flag ideas:
Kim Stanley Robinson’s excellent trilogy:
terraforming of Mars:
Outer Space Treaty:
Extraterrestrial Liberty:
Time on Mars:
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Mars orbit:
Mars orbit proximity chart:
NASA Mars time program: /
Mars Watches:
Darian calendar:
Ask a Mathematician physicist article: /
Apollo quarantine:
Buzz tweet:
space dust: /
Blood and skin cells changing: /
Planetary protection:
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Mars sample return [PDF]:
The International Committee Against Mars Sample Return /
glow worms:
ANSMET: /
AH84001:
Bill Clinton speech on Mars rock:
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