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  2. List of multiplanetary systems - Wikipedia

    en.wikipedia.org/wiki/List_of_multiplanetary_systems

    Closest star to the Sun with exactly six [29] exoplanets, and closest K-type main sequence star to the Sun with a multiplanetary system. One of the oldest stars with a multiplanetary system, although it is still more metal-rich than the Sun. None of the known planets is in the habitable zone. [30] 61 Virginis: Virgo: 13 h 18 m 24.31 s: −18 ...

  3. List of exoplanet firsts - Wikipedia

    en.wikipedia.org/wiki/List_of_exoplanet_firsts

    S Ori J053810.1-023626 (S Ori 70) has a mass of 3 M Jupiter; needs confirmation. [44] [45] First binary star system where both components have separate planetary systems HD 20781 b HD 20781 c HD 20782 b: HD 20781 HD 20782: 2011 First multiple planet system in a multi-star system where multiple planets orbit multiple stars Kepler-47b Kepler-47c ...

  4. K2-3d - Wikipedia

    en.wikipedia.org/wiki/K2-3d

    K2-3d, also known as EPIC 201367065 d, is a confirmed exoplanet of probable mini-Neptune type orbiting the red dwarf star K2-3, and the outermost of three such planets discovered in the system. It is located 143 light-years (44 parsecs ) away from Earth in the constellation of Leo .

  5. Space colonization - Wikipedia

    en.wikipedia.org/wiki/Space_colonization

    The two most common reasons in favor of colonization are the survival of humans and life independent of Earth, making humans a multiplanetary species, [6] in the event of a planetary-scale disaster (natural or human-made), and the commercial use of space particularly for enabling a more sustainable expansion of human society through the ...

  6. Category:Planetary systems - Wikipedia

    en.wikipedia.org/wiki/Category:Planetary_systems

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. List of exoplanets discovered in 2025 - Wikipedia

    en.wikipedia.org/wiki/List_of_exoplanets...

    This list of exoplanets discovered in 2025 is a list of confirmed exoplanets that were first reported in 2025. For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information.

  8. Potential cultural impact of extraterrestrial contact - Wikipedia

    en.wikipedia.org/wiki/Potential_cultural_impact...

    Some have argued that confirmed reliable detection of extraterrestrial intelligence or contact may be one of the biggest moments in human history and would have major implications for humanity including its contemporary prevalent worldviews, not just from implications within the fields of theology (see above) and science (see above), similar to ...

  9. List of exoplanets discovered by the Kepler space telescope

    en.wikipedia.org/wiki/List_of_exoplanets...

    An artist's rendition of Kepler-62f, a potentially habitable exoplanet discovered using data transmitted by the Kepler space telescope. The list of exoplanets detected by the Kepler space telescope contains bodies with a wide variety of properties, with significant ranges in orbital distances, masses, radii, composition, habitability, and host star type.