Dawn's Blue Glow (Artist Concept)
Photojournal: PIA18922
Source: NASA/JPL-Caltech
Published: March 2, 2015

This artist's concept shows NASA's Dawn spacecraft arriving at the dwarf planet Ceres. Dawn travels through space using a technology called ion propulsion, with ions glowing with blue light are accelerated out of an engine, giving the spacecraft thrust.

ENLARGE

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