https://www.youtube.com/watch?t=2&v=BIy5g4bvskM 2.5 minutes, 15MBytes. Gtoc 8 - Winning trajectory visualization AdvancedConcepts Published on Sep 24, 2015 This is a visualization of the trajectory designed by the ACT-ISAS team that won 1st place in the GTOC8. The theme chosen by NASA / JPL for the 8th edition of the GTOC was “high-resolution mapping of radio sources in the universe using space-based Very-Long-Baseline Interferometry (VLBI)”. Three spacecraft had to depart from the Earth and needed to perform several interferometric measurements of one of 420 radio sources. An interferometric measurement could be made when the three spacecraft lay on a plane whose normal pointed towards the radio source. Moon gravity assists and low-thrust propulsion had to be used to target each interferometric measurement.