The Milankovitch Cycles

The Milankovitch Cycles - Science Feed

As you know, our earth completes a revolution every year and that's when we celebrate New Year. Likewise, there are cycles that affect out planet's long term climate condition.

Milankovitch Cycle was hypothesised by the Russian scientist Milutin Milankovitch 1920. In this, he said that the long term climate changes are affected by the change in Earth's relative position to the Sun. According to him, Eccentricity, Obliquity and Precession of the planet are the factors of this that change over long period of time. Ice ages are estimated to be because of this.

Eccentricity means the planet's orbit shape. This changes over time like increasing or decreasing. It has been found that it has been slowly decreasing over the period of the 100,000 years.

Obliquity is the tilting of planet over its axis of rotation. This normally results in changes of seasons. It is slowly decreasing over the span of 41,000 years.

Precession is the wobbling of the planet over its rotating axis more like a spinning top. This is due to the gravitational tension on Earth because of Sun and Moon.

Because of these small changes on climate, this has long term effect. But, it is not clear that Milankovitch Cycle has impact on global warming.

That's all about MIlankovitch Cycle. There will be more writing in this article coming later on. Thanks and Follow and Subscribe to our blog for more.

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