A 2.5 Gigapixel Image of the Orion Constellation

from Kottke Amateur astronomer Matt Harbison has been working for the past five years on capturing a detailed image of the Orion constellation. He recently completed the project and the result is this 2.5 gigapixel photo mosaic composed of 12,816 individual photos. From PetaPixel, which has a good writeup of the project, a taste of the challenges involved with constructing this image: Even after all the images were shot and each panel completed, the finished image did not come together smoothly. “I began in 2015 on a Mac Pro with 2 Xeon Processors and 64GB of RAM. This machine was […]

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Are Humans Fit for Space? A ‘Herculean’ Study Says Maybe Not

from Wired Here’s how you test your intracranial pressure in space. First, you collect baseline samples of your blood, saliva, and urine, and take ultrasound images of the vessels in your heart, neck, head, and eyes, lining up the scanning device on black dots tattooed on your body before you left Earth. Then, you clamber into the Chibis, Russian for “lapwing,” a pair of hard, corrugated-rubber pants whose waist can be sealed. The pants suck: A vacuum imitates how gravity on Earth pulls blood, mucus, the water in cells, and cerebral and lymphatic fluids from our skulls to the bottom […]

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