The Thirty Meter Telescope (TMT) is an extremely large optical-infrared telescope with diffraction-limited performance that will shape astronomy research for decades from its northern hemisphere vantage point. The TMT International Observatory (TIO) is a public-private-international partnership that unites the scientific, instrumental and industrial communities of Japan, Canada, India and the USA for this endeavor. TIO is part of the US Extremely Large Telescope Program (US-ELTP) that received the top ranking for the ground-based program in the National Academies’ decadal survey report Astro2020. This paper will describe latest progress in TMT’s design and development in all partner countries, the recent NSF Preliminary Design Review, and the many challenges and opportunities of managing a truly global collaboration. The paper will also discuss in depth our completely new approach since 2021 on community engagement in Hawai’i, genuine listening and learning from the native Hawaiian community including hundreds of people who protested against the Project, and our collaborative efforts with the community to build long-term trust and relationships.
The Thirty Meter Telescope International Observatory (TIO) is an ambitious international scientific endeavor. In Part 1, we highlight Japan’s contributions toward technical advancements. Building upon the scientific and engineering success of the Subaru Telescope and ALMA, Japan leads in developing the telescope structure, primary mirror production, and cutting-edge science instruments. Part 2 delves into TIO’s transformative shift toward community engagement. At TIO, we believe in community model of astronomy that upholds the values of inclusion, respect, and community stewardship. We are committed to listening to, learning from, and working together with Hawaiʻi commuities to build a brighter future for all.
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