The next three analog layers each contain 20,000 images of pages of text and photos at 1000X magnification, and require a slightly more powerful microscope to read. It contains 1500 pages of text and images, as well as holographic diffractive logos and text, and can be easily read with a 100X magnification optical microscope, or even a lower power magnifying glass. The first analog layer is the Front Cover and is visible to the naked eye. Needless to say, AMF packed a ton of information onto the 100-gram - less than a quarter pound - disc: The first four layers contain more than 60,000 analog images of pages of books, photographs, illustrations, and documents - etched as 150 to 200 dpi, at increasing levels of magnification, by optical nanolithography. (A human hair is between 60 and 120 microns thick). The Lunar Library, which superficially resembles a standard 120-millimeter DVD, actually comprises 25 nickel discs, each of which is only 40 microns thick, stacked on top of each other. Arch Mission Foundation How The Lunar Library Fits on a DVD The top few layers of The Lunar Library can be viewed with a microscope, while the deeper layers contain data files compressed onto 21 thin layers. But the AMF backup disc for humanity could easily remain on the moon long after all humans on Earth have gone extinct.
The mission itself will be quite short, possibly only lasting a few days while the lander uses its propulsion system to “hop” to a second landing site.
In the days since, Beresheet - Hebrew for “in a beginning” - has entered the moon’s orbit, where it will maneuver until April, when it will attempt to land on the moon’s surface.
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On Thursday night, Beresheet, owned by Israeli non-profit SpaceIL, broke free of Earth’s gravity aboard a SpaceX Falcon 9 rocket upon its hottest reentry ever.
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But instead of Step Brothers, it contains an exhaustive archive of science and culture. Dubbed “The Lunar Library” by its creator, the Arch Mission Foundation, the solid-state nanotechnology storage device looks like a standard-sized DVD, much like one that might play the film Step Brothers. The Israeli spacecraft Beresheet, set to be the first-ever non-government-owned moon lander, is carrying precious cultural cargo: a 30-million-page backup disc of humanity’s collective knowledge, including the contents of one very important website.
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