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tychofan2 karma

I just listened to the recent Planetary Radio podcast where they interviewed Lindley Johnson... fascinating stuff! I'm a high school physics teacher who is looking forward to sharing more of this mission with my students. Here are my questions:

  1. Are there any features that you really hoped to include in/on this mission that did not make the cut this time around, or was just about everything funded/functional by the end?
  2. I'm reading that you want to crash into the asteroid at 6.6km/s. At that speed, you probably won't be making too many last-minute course corrections (hopefully!). But, I'm curious... given that your main power is from solar arrays, how exactly would a course-correction be made if it is deemed necessary in the weeks prior to impact? This might best be served by an ELI5 (explain it like I'm 5) of the electric propulsion system.
  3. What types of secondary data be collected prior to impact?