And the best wildlife photography of the year.
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TOGETHER WITH ETHOS |
Hello, Nautilus readers! Today’s Tuesday newsletter showcases a stunning photo of a planetary nebula, a guide to our solar system’s demise, and RFK Jr.’s vaccine initiative, contextualized by a professor of pediatrics. |
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P.S. Premium members get to read all Nautilus stories without ads and without a paywall. Upgrade today. |
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This nebula image shows us how our own sun will die |
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Fast-forward five billion years or so, and our own sun will look something like this: the Messier 27 (M27) planetary nebula, also known as the Dumbbell Nebula. It’s a vast cloud of gas and dust, ejected by a dying sun, and lit up by the star’s last embers. |
This spectacular image of M27 was captured by astrophotographer Andrew McCarthy, over the course of 30 hours and several nights, in order to avoid both the sun and the Earth getting in the way of the shot. |
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More stories about our star: |
► The geomagnetic storm that sparked panic across a continent. |
► How to protect Earth from violent space weather. |
► A step-by-step guide to our solar system’s demise. |
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SPONSOR |
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How did researchers create the all-white “ghost heart,” an organ made only of collagen and other parts of the extracellular matrix? |
A) The heart got pumped with soap like Dawn, washing away lipids
B) The heart was 3D printed using filament made of living structural proteins
C) A detailed heart mold was filled with a protein slurry and dehydrated over 72 hours |
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The Big Bang is the cornerstone of modern cosmology, most notable for the fact that it is an incomplete account. It raises as many questions as it answers, the most obvious one being: How did the big bang itself come about in the first place as the dense, thermalized, rapidly expanding, yet almost uniform fireball? |
—Theoretical physicist Subodh Patil on the origins of time. |
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