My girlfriend wrote the copy text for this piece while she was working at ESO - good to see some astronomy on HN :) Also of interest, Cambridge's COAST instrum

My girlfriend wrote the copy text for this piece while she was working at ESO - good to see some astronomy on HN :) Also of interest, Cambridge's COAST instrument did this almost 2 decades ago using optical interferometry. http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/coast-astronomical-results/surface-imaging-of-betelgeuse/ http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/co... http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/ http://www.mrao.cam.ac.uk/outreach/radio-telescopes/coast/