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  2. Saturn - Wikipedia

    en.wikipedia.org/wiki/Saturn

    Trojan asteroids have been discovered for Mars ... and in Roman times it was known as the "star of Saturn". ... Pioneer 11 made the first flyby of Saturn in September ...

  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. Timeline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_astronomy

    The astronomer Shi Shen is believed to have cataloged 809 stars in 122 constellations, and he also made ... Uranus is the first planet to be discovered beyond Saturn ...

  5. Discovery and exploration of the Solar System - Wikipedia

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

    In 1992, the first evidence of a planetary system other than our own was discovered, orbiting the pulsar PSR B1257+12. Three years later, 51 Pegasi b, the first extrasolar planet around a Sunlike star, was discovered. NASA announced in March 2022 that the number of discovered exoplanets reached 5,000, of several types and sizes. [45]

  6. Timeline of Solar System astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_Solar_System...

    1979 – Pioneer 11 flies by Saturn, providing the first ever closeup images of the planet and its rings. It discovers the planet's F ring and determines that its moon Titan has a thick atmosphere. [199] 1979 – Goldreich and Tremaine postulate that Saturn's F ring is maintained by shepherd moons, a prediction that would be confirmed by ...

  7. List of former planets - Wikipedia

    en.wikipedia.org/wiki/List_of_former_planets

    The moons discovered around Jupiter, Saturn and Uranus after the advent of the telescope were also initially considered planets by some. The development of more powerful telescopes resulted in the discovery of the asteroids, which were initially considered planets. Then Pluto, the first Trans-Neptunian Object, was discovered.

  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. Saturn's rings might have formed 100 million years ago when one of its ...

  9. History of astronomy - Wikipedia

    en.wikipedia.org/wiki/History_of_astronomy

    The Northern Hemisphere page from Johann Bayer's 1661 edition of Uranometria - the first atlas to have star charts covering the entire celestial sphere Southern Hemisphere. The history of astronomy focuses on the contributions civilizations have made to further their understanding of the universe beyond earth's atmosphere. [1]