Thirty Meter Telescope

Astronomy's next generation observatory.

Recent News

TMT International Observatory and Instituto de Astrofisica de Canarias (IAC) Sign Agreement on Hosting the Thirty Meter Telescope in La Palma, Spain

03.29.2017

PASADENA, CALIFORNIA – Clearing a major milestone to construct and operate the Thirty Meter Telescope (TMT) in La Palma, Canary Islands, the TMT International Observatory (TIO) and Instituto de Astrofisica de Canarias (IAC) today signed a hosting agreement. While Maunakea in Hawaii continues to be the preferred choice for the location of the TMT, the hosting agreement defines how the alternative site will be available if Maunakea proves infeasible. more »

Bento Boxes and the Telescope Structure

03.20.2017

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

03.8.2017

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

03.6.2017

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

03.1.2017

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

02.27.2017

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 »