SMART 1: Europe's Mission to the Moon and Advancements in Space Exploration

Smart One, launched on an Ariana 5 in 2003, is Europe's first mission to the Moon. It achieved lunar orbit after being captured by the Moon's gravity. The mission aims to study the Moon's geology and test theories about its origin. Smart One is notable for its cost-effective design and innovative technology, including an electric propulsion system powered by a solar array. This mission also serves as a platform for developing technologies for future space exploration.

Describe the propulsion system used by Smart One.

What is the role of the Oban navigation system in the Smart One mission?