World’s first wooden satellite built by Japanese researchers

Published May 30, 2024
The world’s first wooden satellite, developed jointly by scientists at Japan’s Kyoto University and logging company Sumitomo Forestry, is shown during a press conference at the university, on Wednesday.—AFP
The world’s first wooden satellite, developed jointly by scientists at Japan’s Kyoto University and logging company Sumitomo Forestry, is shown during a press conference at the university, on Wednesday.—AFP

TOKYO: The world’s first wooden satellite has been built by Japanese researchers who said their tiny cuboid craft will be blasted off on a SpaceX rocket in September.

Each side of the experimental satellite developed by scientists at Kyoto University and logging company Sumitomo Forestry measures just 10 centimetres (four inches).

The creators expect the wooden material will burn up completely when the device re-enters the atmosphere — potentially providing a way to avoid the generation of metal particles when a retired satellite returns to Earth.

These metal particles could have a negative impact on the environment and telecommunications, the developers said as they announced the satellite’s completion on Tuesday. “Satellites that are not made of metal should become mainstream,” Takao Doi, an astronaut and special professor at Kyoto University, told a press conference.

The developers plan to hand the satellite, made from magnolia wood and named LignoSat, to space agency JAXA next week. It will be sent into space on a SpaceX rocket from the Kennedy Space Centre in September, bound for the International Space Station (ISS),

they said. From there, the satellite will be released from the Japanese ISS experiment module to test its strength and durability.

“Data will be sent from the satellite to researchers who can check for signs of strain and whether the satellite can withstand huge changes in temperature,” a Sumitomo Forestry spokeswoman said on Wednesday.

Published in Dawn, May 30th, 2024

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