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What Are the 3 Milankovitch Cycles?

What Are the 3 Milankovitch Cycles?

Earth revolves around the sun in a roughly circular orbit. But about every 200,000 years, its orbit becomes more eccentric because of the Milankovitch Cycle.

How Did the Moon Form?

How Did the Moon Form?

The giant impact hypothesis models the formation of our moon. It starts with a Mars-sized object hitting Earth. This object (moon) still remains in orbit.

What Are the 3 Types of Galaxies?

What Are the 3 Types of Galaxies?

Hubble galaxy classification assigns a class to galaxies based on their visual appearance. These classes of galaxies are ellipticals, lenticulars and spirals

How Does the Supercontinent Cycle Work?

How Does the Supercontinent Cycle Work?

If you went 200 million years back in time, Earth was 1 supercontinent. Now, it’s made up of 7 separate continents. This is the supercontinent cycle at work.

15 Climate Feedback Loops and Examples

15 Climate Feedback Loops and Examples

Climate feedback loops either amplify or reduce climate change. Positive feedback loops like permafrost melt amplifies climate change because it releases methane.

Earth Age: How Old Is the Earth?

Earth Age: How Old Is the Earth?

By dating meteorites, we find the oldest rocks are 4.5 billion or so years old. Thus, we conclude the same staggering 4,543,000,000 years for Earth’s age.