[1] 時間の遅れ - Wikipedia (2017-01-24 05:43:53 +09:00) https://ja.wikipedia.org/wiki/%E6%99%82%E9%96%93%E3%81%AE%E9%81%85%E3%82%8C
[3] ISASnews490.pdf, 2022-01-24T00:35:01.000Z, 2022-01-26T03:37:34.887Z https://www.isas.jaxa.jp/outreach/isas_news/files/ISASnews490.pdf#page=4