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  2. Saturn - Wikipedia

    en.wikipedia.org/wiki/Saturn

    Huygens also discovered Saturn's moon Titan; ... Pioneer 11 made the first flyby of Saturn in September 1979, when it passed within 20,000 km (12,000 mi) of the ...

  3. Timeline of discovery of Solar System planets and their moons

    en.wikipedia.org/wiki/Timeline_of_discovery_of...

    The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...

  4. List of former planets - Wikipedia

    en.wikipedia.org/wiki/List_of_former_planets

    Moons of Saturn: Originally presented as satellite planets orbiting the planet Saturn. Planetary status later rescinded, leaving them only as satellites. Titan is the second largest satellite in the Solar System, and is slightly larger than Mercury, but less massive. [12] [6] [7] Iapetus: 1671 1700s [13] [11] [6] [7] Rhea: 1672 1700s Tethys ...

  5. Discovery and exploration of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Discovery_and_exploration...

    Christiaan Huygens followed on from Galileo's discoveries by discovering Saturn's moon Titan and the shape of the rings of Saturn. [14] Giovanni Domenico Cassini later discovered four more moons of Saturn and the Cassini division in Saturn's rings. [15] The Sun photographed through a telescope with special solar filter.

  6. Terrestrial planet - Wikipedia

    en.wikipedia.org/wiki/Terrestrial_planet

    Mercury in the Solar System has a metallic core equal to 60–70% of its planetary mass, and is sometimes called an iron planet, [36] though its surface is made of silicates and is iron-poor. Iron planets are thought to form in the high-temperature regions close to a star, like Mercury, and if the protoplanetary disk is rich in iron. Icy planet

  7. Exploration of Saturn - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_Saturn

    Pioneer 11 image of Saturn.. Saturn was first visited by Pioneer 11 in September 1979. It flew within 20,000 kilometres (12,000 mi) of the top of the planet's cloud layer. Low-resolution images were acquired of the planet and a few of its moons; the resolution of the images was not good enough to discern surface featu

  8. Saturn may have destroyed one of its moons to make its rings

    www.aol.com/news/saturn-may-destroyed-one-moons...

    Saturn's rings might have formed 100 million years ago when one of its icy moons was ripped apart by the planet's gravity. Skip to main content. 24/7 Help. For premium support please call: ...

  9. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    In the 17th century, Galileo publicized the use of the telescope in astronomy; he and Simon Marius independently discovered that Jupiter had four satellites in orbit around it. [285] Christiaan Huygens followed on from these observations by discovering Saturn's moon Titan and the shape of the rings of Saturn. [286]