• ESA 10th International Colloquium on GNSS

    • Sponsorship/Co-Organised:
    • ESA

    École de technologie supérieure (ETS) of Quebec Montreal, Canada
    Commission 1

    The ESA 10th International Colloquium on GNSS covers topics such as time and frequency principles, positioning and navigation, orbit determination, space navigation, GNSS-enabled science, Earth sciences, fundamental physics, remote sensing, and quantum technologies for PNT. Abstract submission is extended to 8 May 2026; selected papers appear in Advances in Space Research.

  • Gravity Geoid and Height Systems Symposium (GGHS2026)


    Indian National Science Academy New Delhi, India
    Commission 2

    The Gravity, Geoid and Height Systems Symposium (GGHS) is a leading international meeting organized under the International Association of Geodesy (IAG). It brings together experts, researchers, and students to discuss the latest developments in gravity field modeling, geoid determination, height systems, and their applications in Earth sciences and society. The next edition, GGHS2026, will continue […]

  • IAU Symposium 2027


    Windhoek, Namibia Balderichgasse 31/24, Windhoek, Namibia
    IAU

    January 18th – January 22nd, 2027 in Windhoek, Namibia Relativistic jets from active galactic nuclei are among the Universe’s most extreme particle accelerators. Blazars, with jets pointed toward Earth, show dramatic multiwavelength variability and gamma-ray flares, offering unique insights into particle acceleration, jet dynamics, and magnetic field structure. Yet key processes, such as jet formation, […]