Saturn's rings could contain millions of 'moonlets', new Nasa images reveal

Images from the Cassini spacecraft are most detailed ever taken, and include previously unseen features within the rings

Nasa has released spectacular images of Saturn's rings, revealing that the rings may be home to millions of orbiting "moonlets".

The images from the Cassini spacecraft resolve details on a scale of 550 metres - around the size of the tallest buildings on Earth. They include previously unseen features within the rings, including giant double-armed "propeller" structures that suggest a constellation of miniature moons are hidden within the planetary rings.