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Space and astronomy
The 8U CubeSat, developed by the National and Kapodistrian University of Athens, connected with the Holomondas Optical Ground Station only weeks after commissioning, demonstrating precise pointing, acquisition and tracking for optical communications.
Space and astronomy
A study in Geophysical Research Letters finds no strong evidence that eruptions outside the tropics produce dramatically greater Northern Hemisphere cooling than tropical eruptions. Tropical events also keep their cooling aerosols in the atmosphere for longer.
Space and astronomy
NASA has opened accreditation for U.S. media covering the planned Nov. 29 launch of a Northrop Grumman Cygnus XL spacecraft carrying research, supplies, and equipment to the International Space Station.
Space and astronomy
Observations suggest that 3I/ATLAS contains tiny, dust-rich ice grains unlike those usually found in Solar System comets, but similar to material in some trans-Neptunian objects.