In the dome, incoming rays that are reflected first off the fixed reflector on the bottom of the sinkhole are reflected up to the secondary and then to the tertiary mirror. The rays finally come to a point focus at the receiver room.
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Arecibo has the largest telescope in the world. -
The upgrade cost about $27 million. -
The 1,000ft reflector dish rests in a mountaintop sinkhole in Arecibo, Puerto... -
The secondary and tertiary reflectors are located within a dome. The... -
In the dome, incoming rays that are reflected first off the fixed reflector...
