Thirty Meter Telescope

Astronomy's next generation observatory.

Recent News

Bento Boxes and the Telescope Structure


One of the joys of working on TMT is the opportunity to collaborate with and learn from amazing people all over the world, including Japan. International flights to Osaka land at Kansai airport, which was built on an artificial island during the 1980s and 1990s. more »

Crossing Continents, Making Mirrors


Imagine trying to manufacture a primary mirror that is approximately 1/3 the size of an American football field. Doing so in one piece would prove very difficult. That’s why, for the Thirty Meter Telescope, we’re making mirror parts that are just over a meter across, then placing them all side by side to make up the full collecting area that we need. more »

TMT’s Tertiary Mirror Enters Production Stage


PASADENA, CA – Last month, the Thirty Meter Telescope successfully completed the Test Results Review of the Telescope Tertiary Mirror (M3) Prototype. Chinese Academy of Sciences’ Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) engineers presented a series of tests on the M3 prototype, which received full approval from the members of the multinational review panel. more »

Inside TMT, and Around the World, with Ravinder Bhatia


The Thirty Meter Telescope is being designed and built by an international partnership of institutes and countries representing almost half the world’s total population.  more »

TMT Common Software Production Begins


PASADENA, CA – Earlier this month, production of the TMT Common Software (CSW) was launched at ThoughtWorks Technologies in Pune, India. The TMT Project Office, the Indian TMT Coordination Center and ThoughtWorks gathered together for a kick-off meeting to discuss implementation activities. more »

TMT’S Infrared Imaging Spectrograph IRIS Achieves Milestone


PASADENA, CA – Design of the Thirty Meter Telescope’s IRIS (InfraRed Imaging Spectrograph), recently achieved a major milestone. The IRIS design team successfully completed the first of two slated Preliminary Design Reviews, which spanned the complete opto-mechanical design for the instrument. more »