Japan's Space Agency (JAXA) has deployed LignoSat, one of the world's first wooden satellites, from the International Space Station (ISS). LignoSat is designed to study the effects of space on wood, including stress, strain, radiation, and geomagnetic interference. The satellite, constructed using traditional Japanese wood joinery techniques, is expected to burn up in Earth's atmosphere in about six months.
Wood has been a mainstay of human machines and construction for millennia. Its physical properties offer capabilities that are unmatched by almost any synthetic replacements. However, it has only very rarely been used in space. That might change based on the results of a new test run by Japan’s Space Agency . LignoSat, one of the world’s first wooden satellites, was deployed from the ISS in December.provides an in-depth look at LignoSat’s path to eventual deployment.
Finally, it will test for geomagnetic interference. Typical satellites are large metal boxes. In electrical engineering terms, we would call that a “Faraday cage,” named after Michael Faraday, the father of modern electrical engineering. Faraday cages are essential to keeping signals either inside or outside the cage and now allowing signals to pass either in or out. That’s why old-style radios used to have antennas that extended outside of their metal housings.
Example of the wood joinery technique used to construct the LignoSat, known as a Blind Miter Dovetail Joint.To be fair, the satellite isn’t entirely made of wood—it has aluminum frames and internal steel shafts holding the wood panels in place. However, it is still intended to burn up in Earth’s atmosphere upon reentry in around six months, steel struts and all.
WOOD SPACE SATELLITE JAXA RADIATION
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