Brown carbon, emitted by wildland fires and tracked over the span of a week in July 2026, worsened air quality in parts of the U.S. and Canada.
NISAR’s L-Band Radar Reveals ‘Hummingbird’ in Antarctica
Description Data from the Earth-orbiting U.S.-India NISAR (NASA-ISRO Synthetic Aperture Radar) satellite’s L-band radar was used to produce an image of Nunatak Zaterjavshijsja — a mountaintop in East Antarctica — poking out amid a stream of ice flowing northeast to the ocean. The obstruction causes stresses in the ice, heavily fracturing the surrounding surfaces with […]