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...
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...
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...
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...
May 2026
Satellite brightness and the mitigation challenge
...sits at magnitude −26.7, the faintest stars visible to the naked eye hover around magnitude 6.0; the International Astronomical Union (IAU) recommends satellites remain at magnitude 7.0 or fainter, effectively invisible without a telescope. The scale...
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...
