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Saturday, December 21, 2019

Winter Solstice 2019: When and What It Is, Everything You Need to Know

Winter solstice is considered as the shortest day of the year for that hemisphere, and marks the beginning of winter.

from NDTV Gadgets - Latest https://ift.tt/2SfVjF2

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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...