There was a time when building a telescope was a rite of passage for budding astronomers, much as building a radio was the coming age for electronics folks. These days, many things are cheaper to buy ...
Starlust on MSN
'People in pixels': Artemis II astronauts spotted by Earth-based telescope from over 200,000 miles away
Captured by the GBT, the feat demonstrates how ground-based radio telescopes can aid space missions.
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