Peter Tuthill is a research astrophysicist in the department of physics at the University of Sydney, Australia and an expert contributor to The Conversation. His research interests have their origins in high-angular resolution imaging in astronomy and he has led a number of projects to explore novel optical techniques for recovering images of celestial objects with extremely fine detail. Peter's photo above shows him mounting a mask plate inside the prime focus cage of the 10 -meter Keck Telescope in Hawaii for an imaging experiment. In addition to working with telescopes in Hawaii, Chile and California, Peter also works with the SUSI interferometer at Narrabri, Australia. To find see Peter's latest column at The Conversation, visit his author page.
