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On the Citizens of Tech Podcast #43, we interviewed Dr. Patrick McCarthy of the Giant Magellan Telescope project, currently under construction in Chile.
The GMT is in a new class of “extremely large telescopes.” Featuring a custom glass formulation, seven asymmetric mirrors being polished in Arizona, and software that will correct in real-time for atmospheric distortion and physical alignment, the GMT will gather images too dim for us to have ever seen before.
Among the anticipated advances is the ability to see planets orbiting distant stars, allowing us to get that planet’s spectrographic signature. That data will help us find planets with the chemical signatures of life. We’ll also be able to look ever further back in time as we observe across light years, clarifying our understanding of the universe’s opening moments.
Pat was an outstanding spokesman for the GMT, clearly explaining the project’s worth to science, construction challenges, and relation to other extremely large telescope projects. He also helped us understand the pros and cons of terrestrial vs. space-based telescopes.