Thirty Meter Telescope

Astronomy's next generation observatory.

Recent News

Hawaii Board of Land and Natural Resources Approves Conservation District Use Permit to Build TMT on Maunakea


The State of Hawaii Board of Land and Natural Resources (BLNR) deliberated and decided to approve a Conservation District Use Permit (CDUP) that would allow construction of the Thirty Meter Telescope on Maunakea on Hawaii Island. more »

Happy Holidays from all of us at TMT


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TMT to Host Open House at American Astronomical Society Meeting in January 2018


TMT will participate in the upcoming American Astronomical Society’s AAS 231st Meeting in Washington, D.C., from January 8 through 12, 2018. In addition to hosting a booth (#707) for the entire conference, TMT will hold an Open House from 5:30 to 6:30 p.m. on Wednesday, January 10, 2018 in meeting room National Harbor 2. more »

TMT’s Infrared Imaging Spectrograph (IRIS) Proceeding to Final Design Phase


Pasadena, CA – Nov. 13, 2017– Following a successful second IRIS Preliminary Design Phase Review (PDR-2) at the TMT Project Office in Pasadena, IRIS is proceeding into its Final Design phase. more »

TMT Signs Contract with Coherent Inc. to Polish Mirror Blanks * TMT primary mirrors enter production *


Pasadena, November 7, 2017 – Marking a major production milestone, TMT has entered into a contract with Coherent Inc., one of the world’s leading providers of lasers and laser-based technology for scientific, commercial and industrial customers, to polish its U.S. manufactured primary mirrors (M1) segments. more »

TMT WFOS China Partnership Meeting


Beijing, China (October 16, 2017) – Representatives from the Thirty Meter Telescope’s (TMT’s) Wide-Field Optical Spectrograph (WFOS) team and TMT’s China partners gathered recently in China to discuss potential collaboration during the next stage of the conceptual design of WFOS. more »