Since astronauts last left the lunar surface 52 years ago, time is ticking. Compared to us earthlings, the moon has been waiting for our return a little longer – by about 1.1 seconds. That doesn’t seem like much, and neither does the 57 millionth (0.0000575) second that time on the Moon advances each day compared … Read more
Thousands of satellites have been deployed in “mega constellations” to meet the growing need for global internet services, and many more are scheduled for launch soon. However, these compact satellites have a short operational life and are known to emit pollutants that can damage the ozone layer when they disintegrate upon re-entry. A recent study … Read more
A team led by glaciologists from UC Irvine used satellite radar data to reconstruct the impact of warm ocean water rising in a grounding zone extending several kilometers beneath the Thwaites Glacier in West Antarctica. The research, the subject of an article published in PNAS, will help climate modelers derive more accurate projections of sea … Read more