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mastodon.zunda.ninja is one of the many independent Mastodon servers you can use to participate in the fediverse.
Zundon is a single user instance as home of @zundan as well as a test bed for changes of the code.

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zunda

これまでの宇宙望遠鏡は基本的に冷却容器の奥に主鏡を隠していたので地球を周回する軌道でもなりたっていたんだけど、ロケットの直径で主鏡の直径が制限されるよね。X線とか高エネルギーの望遠鏡はまたいろいろ事情が違うけど。

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