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Articles tagged: International Astronomical Union (IAU)

  • Dwarf Planet, International Astronomical Union (IAU), Kuiper Belt, Pluto 10 September 2018 IAU wrong about Pluto's planetary status say scientists

    ..., such as Quaoar, Sedna and Eris, which actually appears to be larger than Pluto, helped push the International Astronomical Union (IAU) in 2006 to relegate Pluto to the status of dwarf planet. Cue a reprint of posters and planetary textbooks around...

    • Dwarf Planet
    • International Astronomical Union (IAU)
    • Kuiper Belt
    • Pluto
  • International Astronomical Union (IAU), Lunar and Planetary Science conference, New Horizons, planetary science, Pluto 20 March 2017 Scientists challenge how planets are defined

    ... from its own gravity, coupled with the influence of both a star and a nearby larger planet. If the International Astronomical Union (IAU) were to accept a new geophysical definition such as this to classify objects, then the number of planets in our...

    • International Astronomical Union (IAU)
    • Lunar and Planetary Science conference
    • New Horizons
    • planetary science
    • Pluto
  • Night sky visibility, optical astronomy, satellite mega-constellations, space pollution August 2020 Battle for the night sky - from telescopes to ad-breaks

    ... nuclear reactors. The first concerns the rise of large satellite constellations, which has prompted the International Astronomical Union (IAU) to voice serious concerns about potential interference to the activities of its members. The second issue...

    • Night sky visibility
    • optical astronomy
    • satellite mega-constellations
    • space pollution
    Authors: Christopher J. Newman     Lauren Napier    
  • LEO, low-Earth orbit, mega-constellations, satellite, space debris, space pollution April 2020 Satellite mega-constellations pose threat to ground-based astronomy

    ...optical point of view Intense concerns are arising, also, among the community of radio astronomers and several institutions - the International Astronomical Union (IAU) among them - are studying the implications for the study of the universe in radio...

    • LEO
    • low-Earth orbit
    • mega-constellations
    • satellite
    • space debris
    • space pollution
    Authors: David Galadí-Enríquez    
  • International Telecommunication Union (ITU), mega-constellations, SpaceX, Starlink 16 October 2019 SpaceX files request to launch 30,000 more Starlink satellites

    ... voluminous number of satellites will ruin the night skies and destroy the future of astro-photography. The International Astronomical Union (IAU) has already voiced its concern about the risk that SpaceX's Starlink and other planned extensive...

    • International Telecommunication Union (ITU)
    • mega-constellations
    • SpaceX
    • Starlink
  • mega constellations, OneWeb, Project Kuiper, Starlink 04 June 2020 Mega constellations and their impact on astronomy

    ...a few select individuals, however. A brief delve into the official stance from the International Astronomical Union (IAU) echoes the same sentiment; “The International Astronomical Union (IAU) is concerned about the impact of satellite constellations...

    • mega constellations
    • OneWeb
    • Project Kuiper
    • Starlink
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