The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

During that short season, two—and occasionally three ... enter Earth’s shadow in space as the full moon crosses the ecliptic. The moon will begin to be eclipsed on Monday, March 25 from ...

The year is marked by changes in the weather, ecology, and amount of daylight, and these changes result from earth's orbit around the sun and earth's axial tilt relative to the ecliptic plane.

Our four seasons are the by-product of the 23.5 degree ... and 23.5 degrees south as it circles around the sky along the ecliptic. The sun's changing declination is what determines whether the ...