First ever direct measurement of the Earth's rotation

A group with researchers of the Technical University of Munich, Germany, are the first to plot changes in the Earth's axis through laboratory measurements. To do this, they constructed the world's most stable ring laser. ...

Spacecrafts reveal mysteries of Jupiter and Saturn rings

(PhysOrg.com) -- In a celestial forensic exercise, scientists analyzing data from NASA's Cassini, Galileo and New Horizons missions have traced telltale ripples in Saturn and Jupiter's rings to specific collisions with cometary ...

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