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Name: Planetary Society’s Day of Action
Start: 2026-04-19T00:00:00-10:00
End: 2026-04-20T23:59:59-10:00
Location: Washington DC, USA

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Planetary Society’s Day of Action

Apr 19 - Apr 20

Washington DC, USA

Annual advocacy event that connects space advocates with their members of Congress in Washington D.C.

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Established in 1976, Space Age Publishing Company operates its Hawaiʻi (1988) and California offices. Space Age publishes Space Calendar weekly since 1983 and Lunar Enterprise Daily, and pursues a business plan consistent with establishing a third office on the Moon.

Land Your Name + Message
on the Moon!

For a limited time you can send your name & message to the lunar surface on the Astrolab FLIP mission and the ILOA ILO-1 mission in 2026-2027.

ILO-1 will be mounted on the Astrolab FLEX rover lightbar, and operate on the Moon for 1+ years — broadcasting Space Calendar and messages back to Earth along with near real-time images of the celestial sky and the Moon, on a weekly basis.

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