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If the moon orbited Earth on the same plane that Earth circles the sun, then we d have a total lunar eclipse at each full moon, and a total solar eclipse at each new moon. But that doesn t happen because the lunar orbit is inclined to Earth s orbit by about 5 degrees.
Posted by EarthSky in Astronomy Essentials |
April 25, 2021
The EarthSky-recommended tide almanacs listed here are based on astronomical influences on the tides. They’ll help you in finding the next high and low tides.
This beautiful image is from EarthSky Facebook friend John Lloyd Griffith.
Ocean tides reflect the ever-changing geometrical dance between the sun, moon and Earth, and their gravitational interaction that arises as a consequence. Although high tides and low tides happen daily, extra large spring tides take place around the time of the new moon and the full moon. On the other hand, neap tides, which happen around the first quarter and last quarter moons, display the smallest variation between high and low tide. EarthSky has made a list of our favorite tide almanacs here, that are based upon the (relatively straightforward)