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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaSpace object

This reddish iron compound gives much of Mars's surface its colour.

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ScienceOne small aha
Your new ahaIron oxide

Iron oxides are compounds containing iron and oxygen. Source: Iron oxide ↗

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More from Solar System & Beyond

A few more worth knowing.

  1. 42This planet is the largest in the Solar System.RECALL
    Jupiter

    It is a gas giant

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  2. 43Saturn's prominent rings · the two main types of materialRECALL
    Ice and rock particles

    The particles range from dust to boulders

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  3. 44This planet has an extreme axial tilt and rotates on its side.RECALL
    Uranus

    Its tilt is about 98 degrees

    Open this card ↗