On 15 September 2017, NASA's Cassini spacecraft deorbited into Saturn, ending a 20-year mission that saw it study the ringed planet and Saturnian satellites up close.
Cassini flew through the gap between Saturn and its rings, landed a probe on its largest moon Titan and dove through watery outbursts erupting from through the cracks of the icy moon Enceladus.
View our gallery of some of the best images captured by Cassini throughout its mission.
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Iain Todd is BBC Sky at Night Magazine's Content Editor. He fell in love with the night sky when he caught his first glimpse of Orion, aged 10.