Why Don T We Have A Solar Eclipse Every Month
Camila Farah
But we don t get them every month in fact it can take months and months between eclipses of any kind.
It s true that the moon goes around earth every month but it doesn t always get in earth s shadow. If the sun earth and moon were truly lined up perfect this would be the case. If the moon partially covers the sun for a given. Sometimes the moon s shadow is too high above the earth.
The moon s orbit wobbles. If the sun earth and moon were truly lined up perfect this would be the case. They do not happen every month because the earth s orbit around the sun is not in the same plane as the moon s orbit around the earth. Subscribe for more videos like.
Exploratorium senior scientist paul doherty explains why not the orbit of the moon is tilted relative to the orbit of the earth around the sun so the moon often passes below or above earth. Total solar eclipses happen when the moon crosses between the sun and earth and casts its shadow onto our planet but earth doesn t experience a total solar eclipse every month. Sometimes it is too low. The moon s path around earth is tilted compared to earth s orbit around the sun.
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In this diagram you can see that the moon s orbit around earth is at a tilt. Because the moon s orbit wobbles up and down with respect to the earth the satellite s shadow can be too high or too low to cause a solar eclipse. Solar and lunar eclipses don t occur every month because theplane of the moon s orbit around the earth is not aligned with theplane of the earth s orbit around the sun the moon s path is tilted.
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