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In Photos: NASA's Parker Solar Probe in the Clean Room

Fuel for the Journey

Amy Thompson/Space.com

The ball structure inside is the full tank, which is filled with hydrazine to help propel the spacecraft. The pink section, which will be removed before flight, indicates that fuel is on board.

Time for Launch

Amy Thompson/Space.com

The team performed final checkouts of the spacecraft last week, before the probe shipped to the launch site.

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