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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...

A second planet in the Beta Pictoris system

A team of astronomers has discovered a second giant planet in orbit around alpha Pictoris, a star that is relatively young (23 million years old) and close (63.4 light years), and surrounded by a disk of dust. The alpha Pictoris system has fascinated astronomers for the last 30 years since it enables them to observe a planetary system in the process of forming around its star.

from Space & Time News -- ScienceDaily https://ift.tt/2zcgVHu

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