But Earth's motion doesn't stop there — we're also spinning on our axis and hurtling through the ... (This area is also called the equator.) If you estimate that a day is 24 hours long, you ...
At precisely 9:01 UTC (5:01 a.m. EDT) on March 20, our star will cross the celestial equator during the vernal (spring) equinox. Earth's axis will ... with Earth's magnetic field.
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