stargazing observatory 在 夏休み自由研究 かなた望遠鏡特別観望会@東広島の夜 / Kanata telescope special stargazing parties. 的影片資訊
夏のオッ三角形(ないない) I went to the observatory of Hiroshima University. Because it is the drive of the nigh...
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夏のオッ三角形(ないない) I went to the observatory of Hiroshima University. Because it is the drive of the nigh...