Summer officially begins Tuesday at 10:16 a.m. The summer solstice represents the change from spring to summer, and the longest day of the year. In various parts of Europe, the period of time centered ...
Morning Overview on MSN
What is the Sun’s magnetic field, and why does it matter?
The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...
Earth, sun, moon: three objects in space whose interactions have a pretty big impact on our lives. Earth orbits the sun once a year, and it rotates on its axis about once a day (depending on your ...
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