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Instrumentation and measurement

Instrumentation and measurement

Building a planet-sized telescope

16 Aug 2019
This article first appeared in the 2019 Physics World Focus on Instruments & Vacuum

Compiling the historic picture of the singularity at the centre of the M87 galaxy involved paying extremely close attention to equipment details, finds Andy Extance

Members of the LMT team in front of the telescope in January 2017.
The hole team Members of the LMT team in front of the telescope in January 2017, when they performed tests ahead of the April 2017 observing run that captured the first image of a black hole. From left: Gopal Narayanan (UMass), Aleks Popstefanija (UMass), Sandra Bustamante (INAOE), Antonio Hernandez (UNAM Morelia), David Sanchez (INAOE) and Lindy Blackburn (Harvard Smithsonian). (Courtesy: LMT)
At times, Gopal Narayanan admits, putting together the telescope that captured the first image of a

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Andy Extance is a science writer based in Exeter, UK
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