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  2. 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 ...

  3. Timeline of Solar System astronomy - Wikipedia

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

    2006 – The 26th General Assembly of the IAU voted in favor of a revised definition of a planet [234] and officially declared Ceres, Pluto, and Eris dwarf planets. [235] [236] 2007 – Dwarf planet Gonggong, a large KBO, was discovered by Megan Schwamb, M. Brown, and D. Rabinowitz. [237] 2008 – The IAU declares Makemake and Haumea dwarf planets.

  4. Timeline of Solar System exploration - Wikipedia

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

    This is a timeline of Solar System exploration ordering events in the exploration of the Solar System by date of spacecraft launch. It includes: It includes: All spacecraft that have left Earth orbit for the purposes of Solar System exploration (or were launched with that intention but failed), including lunar probes .

  5. Webb telescope reveals surprising details of Pluto's ... - AOL

    www.aol.com/news/webb-telescope-reveals...

    It is about half the diameter and an eighth the mass of Pluto, a dwarf planet that resides in a frigid region of the outer Solar System called the Kuiper Belt, beyond the most distant planet Neptune.

  6. Exploration of dwarf planets - Wikipedia

    en.wikipedia.org/wiki/Exploration_of_dwarf_planets

    The concept of human exploration of dwarf planets has intrigued scientists since Pluto's discovery in 1930. Despite the vast distances and significant challenges, advancements in space technology could make such endeavors possible. Colonizing dwarf planets offers potential economic benefits due to the presence of rare and valuable ores. [23]

  7. Timeline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_astronomy

    A new distinct class of objects called dwarf planets was also decided. Pluto was redefined as a dwarf planet along with Ceres and Eris, formerly known as (2003) UB 313. Eris was named after the IAU General Assembly in 2006. [27] [28]

  8. List of trans-Neptunian objects - Wikipedia

    en.wikipedia.org/wiki/List_of_trans-Neptunian...

    The largest known trans-Neptunian objects are Pluto and Eris, followed by Haumea, Makemake, Gonggong, Quaoar, Sedna, and Orcus, all of them being officially recognized as dwarf planets by the IAU except for Gonggong, Sedna, and Orcus. There are also many possible dwarf planets, such as Salacia, (307261) 2002 MS 4, Varda, Ixion, and Varuna.

  9. Two new planets bigger than Earth possibly found in our solar ...

    www.aol.com/news/2015-01-21-two-new-planets...

    By RYAN GORMAN Scientists may have found Planet X -- the long-rumored object believed to be larger than Earth and further from the sun than Pluto. Planet X and another object dubbed "Planet Y ...