EDGES Ground-based Radio Spectrometer, CSIRO's Murchison Radio-astronomy Observatory (IMAGE)
Caption
In each instrument, radio waves are collected by an antenna consisting of two rectangular metal panels mounted horizontally on fiberglass legs above a metal mesh. The EDGES detection required the radio quietness at the Murchison Radio-astronomy Observatory, as Australian national legislation limits the use of radio transmitters near the site. This discovery sets the stage for follow-up observations with other powerful low-frequency facilities, including HERA and the forthcoming SKA-low.
Credit
CSIRO Australia
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