Another week of amazing news from our Pale Blue Dot, with stories ranging from Earth Is Tiny Because The Sun Had Saturn-Like Rings Before It Had Planets to How Can Something So Small Live So Long.
Our Pale Blue Dot has produced a wealth of fascinating new stories the past few days –from when Earth had two moons to a major discovery in Antarctica’s seas.
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The human experience on our Pale Blue Dot “has lasted for less than 10 one-billionths of cosmic history surrounded by vast lifeless space, and yet we are congratulating ourselves on an unearned geological legacy before we’ve proved ourselves capable of escaping the next century with our lives,” says mass-extinction authority, Peter Brannen, author of The Ends of the World. “Human history, though environmentally cataclysmic and sedimentologically interesting, is not usefully described in the terms of a geological epoch on par with a yawning span of time like the Early Cretaceous, an epoch that lasted 600,000 times longer than this newly minted one.”
“All these fossils occur in a layer no more than 10cm thick,” said palaeontologist Ken Lacovara of the Chicxulub impact that ended the dinosaur epoch. “They died suddenly and were buried quickly. It tells us this is a moment in geological time. That’s days, weeks, maybe months. But this is not thousands of years; it’s not hundreds of thousands of years. This is essentially an instantaneous event.”
Another week of fascinating news from our Pale Blue Dot, with stories ranging from will the Webb Space Telescope’s nail-biting launch answer how we got from the Big Bang to here to without the most important equation in biochemistry life could not exist to our “bubble-wrapped” Solar System.