50 years ago, scientists were gearing up to hurl a probe at the sun

Putting nan power to Helios — Science News, July 6, 1974
Helios, a abstraction probe scheduled to spell person to nan sun than immoderate different manmade entity ever launched, has successfully survived a crushed trial that exposed it to temperatures believed to beryllium arsenic precocious arsenic immoderate it will look during its mission…. During nan test, parts of nan spacecraft reached — and survived — temperatures up to 700 degrees F. Helios, to beryllium launched successful [December], will walk wrong 28 cardinal miles of nan sun.

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