Data ARchives and Transmission System (DARTS) is a multi-disciplinary space science data archive covering astronomy, solar physics, solar-terrestrial physics, lunar and planetary science, and microgravity science. For more information, please read About DARTS.
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- May. 2026Topic
- May. 2026News
For maintenance activities, web service becomes unavailable in the following periods.We are sorry for your inconvenience.［maintenance］
[period] 2026-06-08 10:00 -- 2026-06-08 13:00 (JST) - May. 2026News
With the launch of UDON3, we'll be discontinuing the UDON2 service. Thank you very much for using UDON2 until now.
- Apr. 2026News
For maintenance activities, web service becomes unavailable in the following periods.We are sorry for your inconvenience.［maintenance］
[period] 2026-05-19 10:00 -- 2026-05-19 13:00 (JST) - Jan. 2026Topic
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