VECTOR:dizzy: is a user on mastodon.cosmicanimal.jp. You can follow them or interact with them if you have an account anywhere in the fediverse. If you don't, you can sign up here.
VECTOR:dizzy: @VECTOR
Follow

星食観測は恒星の位置を正確に求めるものみたいなのでデータ積み上げれば地球の歳差運動、恒星の固有運動、色々わかりそう(素人感)