A multi-layer view of the ionosphere sharpens GNSS accuracy

Accurate estimation of the ionosphere is essential for reliable Global Navigation Satellite System (GNSS) positioning, timing, and space weather applications. A key challenge lies in converting slant ...
EurekAlert!

First observations by the Total Anthropogenic and Natural emissions mapping SpectrOmeter-3 (TANSO-3) onboard the Global Observing SATellite for Greenhouse gases and Water cycle ...

(a) Global observation (July 14, 2025, radiance (light intensity) at a wavelength of 767 nm), (b) Focus Mode observation over Tokyo (July 17, 2025, radiance at a wavelength of 767 nm), and (c) ...
SpaceNews

MODIS Instrument on NASA’s Terra Satellite Improves Global Vegetation Mapping, Makes New Observations Possible

Unique observations of Earth’s vegetation are coming down from the Moderate-resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite. Scientists from the University of Arizona and Boston ...