Heinrich Hertz Submillimeter Telescope - Wikipedia
Montage of the Event Horizon Telescope observatories (night) | ESO
Future Improvements of the Black hole Imaging Radio Telescope Array | NextBigFuture.com
UArizona ARO Submillimeter Telescope | Arizona Radio Observatory
Bill Keel's Telescope Tourism - NRAO (Green Bank and Kitt Peak)
Ask Ethan: What could a space telescope array find? - Big Think
ARO 12m Radio Telescope - Wikipedia
Arizona Radio Observatory | Arizona Radio Observatory
ALMA NRAO News October 2006 — Science Website
File:Montage of the Event Horizon Telescope observatories (day) (eso2208-eht-mwf).jpg - Wikimedia Commons
How scientists took the first picture of a black hole
Way before stars form, space clouds hold building blocks of life - Futurity
![Column - Taking the First Picture of a Black Hole [6] How to build an Earth-sized radio telescope - ALMA](https://alma-telescope.jp/assets/uploads/sites/alma.mtk.nao.ac.jp/j/news/files/editor/ann17015a.jpg "Column - Taking the First Picture of a Black Hole [6] How to build an Earth-sized radio telescope - ALMA")
Column - Taking the First Picture of a Black Hole [6] How to build an Earth-sized radio telescope - ALMA
Submillimeter Telescope (SMT) - M3 Engineering & Technology
NRAO Newsletter
Submillimeter Telescope (SMT) - M3 Engineering & Technology
Event Horizon - Arizona Illustrated - YouTube
Exploring the Millimeter Sky | SpringerLink
Radio Astronomy and Black Holes - National Radio Astronomy Observatory
From Ethan Siegel: “How Does The Event Horizon Telescope Act Like One Giant Mirror?” – sciencesprings
Equipment Summary | Arizona Radio Observatory
SMT | Event Horizon Telescope
