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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaSpace object

This planet takes longer to rotate once relative to the stars than to orbit the Sun.

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Your new ahaVenus

Venus rotates in the opposite direction to most planets. Source: Venus

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More from Solar System & Beyond

A few more worth knowing.

  1. 40This tilt relative to Earth's orbital plane is the main reason for the seasons.RECALL
    Earth's axial tilt

    The tilt changes the angle of sunlight

    Open this card ↗
  2. 41This reddish iron compound gives much of Mars's surface its colour.RECALL
    Iron oxide

    Rust colours its surface dust

    Open this card ↗
  3. 42This planet is the largest in the Solar System.RECALL
    Jupiter

    It is a gas giant

    Open this card ↗