Helios 1 and 2

Autore/i: DaveBowman2001 Jack Higgins

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Helios 1 and 2 were the twin spacecraft sent by NASA and the German Aerospace Center (DLR) to study the Sun in multiple close flybys between 1974 and 1976. Helios 1 was operational from 1974-1986, while Helios 2 did so from 1976-1980. They were the closest artificial objects to approach our star until the Parker Solar Probe became operational in 2018.

Helios in testing

Helios 1 launch, 1974

Helios 2 launch, 1976

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