Thirty Meter Telescope

Astronomy's Next-Generation Observatory

TMT's Mission and Values

TMT is committed to a community model of astronomy based on the values of respect, inclusion, and mutual stewardship.

TMT's Science and Technology

TMT is an extraordinary international scientific endeavor that will revolutionize our understanding of the universe and our place within it.

Maunakea

Maunakea is a truly unique place.

Community

TMT staff are part of the Hawaiʻi community and TMT firmly believes it is our kuleana (responsibility) to be active supporters of that community.

Latest From TMT

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TMT Secondary Mirror Support System and Positioner Assembly Kick-Off Meeting
November 16th, 2023 Engineering & Technology

A kickoff meeting was recently held for the TMT Secondary Mirror Support System and Positioner Assembly (M2SSP), a critical subsystem of the TMT Observatory. Responsible for safely supporting and adjusting the rigid body motion of the secondary mirror (M2), the M2SSP encompasses all of the secondary mirror system hardware, minus the mirror itself, as well as the controls and safety systems.