Awesome 1979 cover of Nature featuring the giant Arecibo radiotelescope in Puerto Rico, with a busy operator in the control room in the foreground.

Feature paper by Taylor, Fowler, and McCulloch on general relativistic effects in binary pulsar PSR1913+16
https://nature.com/articles/27743

#Arecibo #radiotelescope #observatory #astronomy #astrophysics #astrodon #binary #pulsar #binarypulsar #pulsars #nature #cover #naturecover #covers #naturecovers #relativity #generalrelativity #physics #science #STEM