A SOYUZ 2.1b rocket successfully placed 52 satellites into low Earth orbit on Dec. 28 after lifting off from Russia’s ...
In 2400 BCE, before clocks or calendars, an entire city held its breath in darkness, waiting for seven stars to signal that ...
Abstract: There have been considerable interests in the lunar-based synthetic aperture radar (LBSAR) for monitoring large-scale geoscience phenomena. However, the signal distortions given rise by ...
Tackling global challenges through world-leading research, education and innovation. From better understanding and predicting climate change to ensuring sustainable access to energy, we develop ...
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Earth’s day was only 19 hours long for a billion years, study finds
Researchers from the Institute of Geology and Geophysics at the Chinese Academy of Sciences and Curtin University in ...
Einstein's right again! Scientists catch a feasting black hole dragging the very fabric of spacetime
Astronomers have observed a star wobbling in its orbit around a ravenous supermassive black hole that is ripping it apart and feasting on its stellar material. The observation is ...
Earth is not a still point in space, but a planet hurtling through the cosmos at incredible speeds. This video breaks down the complex layers of our motion: the 66,000 mph orbit around the sun, the ...
Micromotion Parameter Extraction of Precession Cone Based on Analytical Solution in Monostatic Radar
Abstract: The micro-Doppler (M-D) effect of radar targets reflects target motion, providing valuable information for recognition. Micromotion parameter extraction of cone targets based on the M-D ...
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