09-06-2019, 11:48 AM
It is Mauna Kea or bust for TMT. Forget all the "alternative site" discussions. In addition to it's prime "American" location, it sits at the crossroads of Asia, North America, South America. Astronomers love Mauna Kea for much more than its sheer astronomical value. You don't have the "comforts" of the good 'ol USA in India or Spain. And the Big Island itself can be very comfortable.