TwiScan Hot Communities Account collections
Login Register

Register and share your invite link to earn from video plays and referrals.

Register now
Add to collection
有松 亘 Ko Arimatsu
@OASES_miyako
天文家 石垣島天文台 室長 (国立天文台 講師) Astronomer at NAOJ/Ishigakijima Astronomical Observatory お問い合わせはDMもしくは ko.arimatsu@nao.ac.jp
128 Following    10.4K Followers