The Earth's tilt is considered to be most responsible for Earth's ice ages.
Earth's ice ages
What is ice ages?
A period of much lower global temperatures and recurrent glacial expansion known as an ice age is one that can span hundreds of millions of years.
What is Earth's ice ages?
- The last glacial period ended approximately 11,700 years ago, and the planet is currently in an inter glacial.
- The Greenland and Antarctic ice sheets and smaller glaciers, such those on Baffin Island, are all that are left of the continental ice sheets.
Role of Earth's tilt in Earth's ice ages:
- When the Earth's orbit is elongated, its axis has a low tilt, and the northern hemisphere summer occurs at a position on the orbit distant from the sun such that it is cooler, glacial periods take place.
- Most people think that the end of the ice age occurred when Earth's orbit moved closer to the sun during the summers in the northern hemisphere.
- The amount of solar energy that enters our atmosphere at these periods is more intense. This rise is believed to accelerate melting and ultimately bring an ice age to an end.
To know about the tilt of the earth's axis, here
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