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Thursday, January 30, 2020

Two Defunct Satellites Narrowly Miss Collision, Averting Massive Debris Cloud

Two decommissioned satellites sped past each other Wednesday after experts had warned they may collide at a combined speed of 33,000 miles (53,000 kilometers) an hour, sending thousands of pieces of...

from NDTV Gadgets - Latest https://ift.tt/2t9331s

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NASA Study Reveals Correlation Between Earth’s Magnetic Field and Atmospheric Oxygen

According to NASA, changes in Earth’s magnetic field 540 million years ago corresponded with atmospheric oxygen shifts. This finding suggest...