Which global array of giant radio antennas maintains the link to spacecraft like Opportunity?
Answer
NASA's Deep Space Network (DSN)
The essential backbone connecting Earth-based operations to distant spacecraft like *Opportunity* is NASA's Deep Space Network (DSN). This network consists of massive radio antennas strategically placed across the globe. The DSN functions as the indispensable intermediary: receiving commands sent from mission control, beaming them across space to Mars, and subsequently capturing the extremely faint radio waves transmitted back from the rover, which are then decoded into usable data and audio cues for relay.
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