NASA Europa Missions, projects and proposals for the 2020s |
NASA Europa Missions, projects and proposals for the 2020s |
Mar 5 2014, 12:53 AM
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Forum Contributor Group: Members Posts: 1374 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
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Mar 17 2014, 10:22 PM
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
Doesn't matter if you get your delta-V from mono prop, bi prop, ion, solar sail...the navigation challenge still remains.
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