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Using the Force: Dawn Engineers Put to the Test

1 Aug 2014, 19:21 UTC
Using the Force: Dawn Engineers Put to the Test NASA/JPL
(200 words excerpt, click title or image to see full post)

By Marc Rayman
As NASA’s Dawn spacecraft makes its journey to its second target, the dwarf planet Ceres, Marc Rayman, Dawn’s chief engineer, shares a monthly update on the mission’s progress.

Artist’s comparison of the Dawn spacecraft, which has three ion engines, and a “Star Wars” TIE (Two Ion Engine) Fighter. Image credit: NASA/JPL
Dear Studawnts and Teachers,
Patient and persistent, silent and alone, Dawn is continuing its extraordinary extraterrestrial expedition. Flying through the main asteroid belt between Mars and Jupiter, the spacecraft is using its advanced ion propulsion system to travel from Vesta, the giant protoplanet it unveiled in 2011 and 2012, to Ceres, the dwarf planet it will reach in about eight months.
Most of these logs since December have presented previews of the ambitious plan for entering orbit and operating at Ceres to discover the secrets this alien world has held since the dawn of the solar system. We will continue with the previews next month. But now with Dawn three quarters of the way from Vesta to Ceres, let’s check in on the progress of the mission, both on the spacecraft and in mission control at JPL.
The mission is going extremely well. Thank you for ...

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