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WooJoo
@eingel
$Helios, a solar probe jointly built by West Germany and NASA in the United States. Two probes were built and launched in 1974 and 1976, respectively, to explore the Sun. #Parker Solar Probe is NASA's unmanned probe planned to investigate the Sun's outer corona.
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GraceRabbit
@gracerabbit
이런 채널도 있었네요
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WooJoo
@eingel
아주 역사가 깊은 채널입니다. (역사에 비해 사람이 없어서 그렇죠! ㅎㅎㅎ)
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