Earth based Telescope

"For the first time, scientists have used Earth-based telescopes to peer back into the cosmic dawn — an era more than 13 billion years ago when light from the first stars began reshaping our universe."https://www.livescience.com/space/astronomy/people-thought-this-couldnt-be-done-scientists-observe-light-of-cosmic-dawn-with-a-ground-based-telescope-for-the-first-time-ever