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Earth and Mountains

There are many mountains in the world, and they are found on every continent. Mountain ranges such as the Himalayas, the Andes, the Rockies, the Alps, and the Himalayas comprise numerous peaks and valleys. Additionally, new mountains can be formed through geological processes like tectonic activity, and erosion can also change landscapes over time. The exact number of mountains can vary based on definitions and classifications, but it is understood that there are countless individual mountains worldwide.  Mountains play a significant role in shaping the Earth's surface and influencing its geological and environmental processes, but they don’t directly "keep" the Earth in a specific form. Here are a few ways mountains contribute to the Earth's landscape: 1. Tectonic Activity: Mountains are often  While mountains are crucial to the Earth's geological and biological systems, the Earth's "form" is determined by a combination of various factor...

Did ancient supernovae prompt human ancestors to walk upright?

Supernovae bombarded Earth with cosmic energy starting as many as 8 million years ago, with a peak some 2.6 million years ago, initiating an avalanche of electrons in the lower atmosphere and setting off a chain of events that feasibly ended with bipedal hominins.

from Astronomy News -- ScienceDaily http://bit.ly/2QuIELD

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