![London, UK. 20 December 2020. The ringed planet Saturn (upper left) and giant planet Jupiter, with 3 of its moons visible, appear after sunset above the rooftops in south west sky as London, UK. 20 December 2020. The ringed planet Saturn (upper left) and giant planet Jupiter, with 3 of its moons visible, appear after sunset above the rooftops in south west sky as](https://c8.alamy.com/comp/2DRJNGG/london-uk-20-december-2020-the-ringed-planet-saturn-upper-left-and-giant-planet-jupiter-with-3-of-its-moons-visible-appear-after-sunset-above-the-rooftops-in-south-west-sky-as-they-approach-the-great-conjunction-on-the-night-of-21-december-the-december-solstice-the-previous-similar-conjunction-of-the-two-planets-in-this-distance-visible-from-earth-was-800-years-ago-both-planets-are-nevertheless-approximately-400-million-miles-separation-from-one-another-credit-malcolm-parkalamy-2DRJNGG.jpg)
London, UK. 20 December 2020. The ringed planet Saturn (upper left) and giant planet Jupiter, with 3 of its moons visible, appear after sunset above the rooftops in south west sky as
![Magnetic field collisions around Saturn reveal planetary differences | UCL News - UCL – University College London Magnetic field collisions around Saturn reveal planetary differences | UCL News - UCL – University College London](https://www.ucl.ac.uk/news/sites/news/files/styles/large_image/public/SaturnCassiniMagnetosphere_1.jpg?itok=li3XlWJv)
Magnetic field collisions around Saturn reveal planetary differences | UCL News - UCL – University College London
![London, UK. 20 July 2020. Clear sky with the planet Saturn and its 5 moons (left to right: Titan; Rhea; Tethys; Enceladus; Dione) all visible close to east of planet Jupiter. Credit: London, UK. 20 July 2020. Clear sky with the planet Saturn and its 5 moons (left to right: Titan; Rhea; Tethys; Enceladus; Dione) all visible close to east of planet Jupiter. Credit:](https://c8.alamy.com/comp/2C82YGF/london-uk-20-july-2020-clear-sky-with-the-planet-saturn-and-its-5-moons-left-to-right-titan-rhea-tethys-enceladus-dione-all-visible-close-to-east-of-planet-jupiter-credit-malcolm-parkalamy-live-news-2C82YGF.jpg)