According to some scientists, when our solar system formed about more than three billion years ago, there was a collision between a planet about the size of Mars plus the planet that would become Earth.

This collision knocked the Earth for quite a loop causing a 23.5-degree tilt relative to the Sun.

The leftover debris eventually formed the Moon, but amazingly, the Moon’s gravity acts as a stabilizing force to maintain that 23.5-degree angle. That tilt is also why there are more than three distinct seasons in locations away from the equator; By the time humans appeared, the Earth had settled into an incredibly stable cycle that all of us benefit from today. Man is particular in that all of us can alter our environment to make it more livable. In cold weather, fire can heat any dwelling, however it took civilization until the 20th century to effectively deal with the heat plus humidity of summer. With air conditioning combined with a oil furnace to form Heating, Ventilation & A/C, our comfort now lasts all year round. The anxious truth is that nothing lasts forever. The Moon is slowly moving away from the Earth at about 1.5 inches each year. In a few billion years its stabilizing influence will be gone. All of us can’t control that, however all of us can control the health of our Heating, Ventilation & A/C systems. Seasonal service will include a Springtimetime cleaning plus checking for any destruction from the cold winter, a Summer tree or hedge trimming to keep areas around the condenser equipment clear, a oil furnace check in the fall before the cold weather arrives again, plus a check of the homes carbon monoxide monitor in winter. If you include seasonal filter changes, then you can sit back plus ponder what Earth might have been prefer without that 23.5-degree tilt.


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