LibrarySolar System & BeyondOne card

A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

ScienceOne small ahaSpace object

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

Think it. Then flip it.
ahamoraTap to reveal
Back to the cue
ScienceOne small aha
Your new ahaEarth's axial tilt

Opposite hemispheres have opposite seasons because Earth's axis is tilted. Source: Earth's axial tilt

ahamoraReference ↗

Keep the thread going

One answer is a beginning.

Share a little curiosity, or follow it into the full collection.

Flip the full deck →

More from Solar System & Beyond

A few more worth knowing.

  1. 41This reddish iron compound gives much of Mars's surface its colour.RECALL
    Iron oxide

    Rust colours its surface dust

    Open this card ↗
  2. 42This planet is the largest in the Solar System.RECALL
    Jupiter

    It is a gas giant

    Open this card ↗
  3. 43Saturn's prominent rings · the two main types of materialRECALL
    Ice and rock particles

    The particles range from dust to boulders

    Open this card ↗