From today's BBC's [Japan developing wooden satellites to cut space junk](https://www.bbc.com/news/business-55463366):

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> "We are very concerned with the fact that all the satellites which re-enter the Earth's atmosphere burn and create tiny alumina particles which will float in the upper atmosphere for many years," Takao Doi, a professor at Kyoto University and Japanese astronaut, told the BBC.
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> "Eventually it will affect the environment of the Earth."
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> "The next stage will be developing the engineering model of the satellite, then we will manufacture the flight model," Professor Doi added.
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> As an astronaut he visited the International Space Station in March 2008.
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> **During this mission, he became the first person to throw a boomerang in space that had been specifically designed for use in microgravity.**
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**Question:** How does one throw a boomerang in space? Does it return? Will space boomerangs be standard issue for Space Force?

Reading about [Takao Doi](https://en.wikipedia.org/wiki/Takao_Doi) one sees quite a list of accomplishments, including discovering two supernovae in their spare time. For someone so versatile perhaps space-boomerang-throwing came easy.