Rise of Oxygen –The Evolutionary Moment that Shaped Our Habitable Planet

 

 

Oxygen Clouds

 

“Oxygen flooded into the atmosphere as a pollutant, even a poison, until natural selection shaped living things to thrive on the stuff and, indeed, suffocate without it,” wrote evolutionary biologist, Richard Dawkins, in The Greatest Show on Earth: The Evidence for Evolution.

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Scientists Warn of Extraterrestrial Microbial Invasion to How Dangerous is COVID Mutant B.1.1.529 (Planet Earth Report)

Earth Exists Inside an Enormous Cosmic Tunnel to Evidence for a New Physics? (Planet Earth Report)

 

News from our Pale Blue Dot for the Thanksgiving Holiday weekend: from the “telescope that ate astronomy” to what “Impossible” meant to the legendary physicist, Richard Feynman to black-hole bubbles that could swallow to Universe to poaching triggers the evolution of tuskless elephants to tech companies ‘don’t get’ science-fiction.

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“Life is Electric” –NASA Explores Origins of Life on Earth & Beyond (Holiday-Weekend Feature)

ESA Europa

 

“NASA’s  ENIGMA  (Evolution of Nanomachines In Geospheres and Microbial Ancestors)  research team,” evolutionary biologist Paul Falkowski told The Daily Galaxy, “is focused on answering a single, compelling question in astrobiology: How did proteins evolve to become the predominant catalysts of life on Earth?

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Dark-Matter Apocalypse to Standard Model Cannot Predict Why the Universe Exists (Last Week’s Top 5 Space & Science Headlines)

Milky Way Galaxy

 

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Our Solar System’s Milky-Way Orbit 19 –Extinction by Dark-Matter Apocalypse?

 

Milky Way Galaxy Infrared

 

At present, our Solar System is in its twentieth orbit of the Milky Way near the inner edge of a spiral feature known as the Orion Arm or, less poetically, the Local Arm. The ghostly arms are not permanent features of a disc galaxy like the Milky Way. Rather, they are concentrations of gas and dust where stars form, produced by disturbances within the Milky Way, or on occasions by a jolt from outside, such as a supernova or the passage of the Solar System through one of the dusty gas clouds that congregate in spiral arms.

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The Chicxulub Impact -Did an ‘Impossible’ Magnitude-12 Earthquake Change Our World?

 

The Chicxulub Asteroid

 

Sixty-Six million years ago a 14 kilometer long, Mount-Everest sized asteroid blasted a hole in the ground, the Chicxulub Impact, releasing the equivalent of 100 million megatons of TNT creating a 20-mile deep, 110-mile hole and sterilizing the remaining 170 million square miles of the ancient continent of Pangaea, killing virtually every species on Earth and, oddly, paving the way for the emergence of the human species.

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