Atacama Compact Array
![Atacama Compact Array](https://public.nrao.edu/wp-content/uploads/2013/09/gallery-images-largeAtacamaCompactArray_large.jpg)
The heart of ALMA is the Atacama Compact Array. These smaller 7-meter dish telescopes, flanked by a few larger 12-meters, are practically touching each other to simulate a single telescope. When their views of the sky are combined, they can see the very faint radio-wave objects in space.
Credit: T. Burchell, NRAO/NSF/AUI
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