Chapter 1
Red planet in ancient myths
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Chapter 2
Telescopes and the canal craze
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Chapter 3
The scientific reality of Mars
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Chapter 4
Robotic scouts on the red sands
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Chapter 5
Mars in our imagination
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YOUR GOAL
Master of The story of Mars
Ch 3 · The scientific reality of Mars
schopenhauer Martian Sunset
The red planet has a blue sunset (Oh, a blue sunset!) / Scattering light in a cool blue glow (Yeah, a cool blue glow!)
schopenhauer The red color of Mars is the result of chemical rusting on a planetary scale.
Fun Fact
Martian gravity: If you weigh 100 pounds on Earth, you would weigh only 38 pounds on Mars because of its lower mass.
Glossary
biosignature (noun)
Any substance, feature, or element that provides scientific evidence of past or present life. The Perseverance rover searches for these signs of life within the dry lakebed of Jezero Crater.
Any substance, feature, or element that provides scientific evidence of past or present life. The Perseverance rover searches for these signs of life within the dry lakebed of Jezero Crater.
schopenhauer Sort sci-fi legends and real science to discover how Mars became a cosmic wonder.
Quiz
If you weigh 100 pounds on Earth, approximately how much would you weigh on Mars due to its lower gravity?
Quiz
What is the name of the massive Martian canyon system that stretches over 4,000 kilometers long?
Quiz
Approximately what percentage of the thin Martian atmosphere is composed of carbon dioxide?
Quiz
What is the name of the colossal shield volcano on Mars that is the tallest volcano in the solar system?
Quiz
Which chemical compound gives the Martian soil its distinctive red, rusty color?
Quiz
How many times taller than Earth's Mount Everest is the Martian volcano Olympus Mons?