The images were taken with 170-second exposures using the WFC3 UVIS (F350LP) camera at a central wavelength of 0.5851 micron, ...
Abstract: Orbital angular momentum (OAM) radar is a new type of radar that can provide azimuth information about targets in the field of detection and imaging. However, previous OAM radar systems have ...
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Does Earth ever stop rotating?

This video explains Earth’s rotation, how it gradually changes over time, and why our planet continues spinning without coming to a complete stop.
P erihelion – or the Earth's closest approach to our host star – will take place on January 3, 2026. At this point, our ...
Researchers from the Institute of Geology and Geophysics at the Chinese Academy of Sciences and Curtin University in ...