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Tuesday, August 18, 2020

Small Asteroid Becomes Closest Ever Seen Passing Earth: NASA

An asteroid the size of an SUV passed 1,830 miles (2,950 kilometers) above Earth, the closest asteroid ever observed passing by our planet, NASA said Tuesday.

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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...