Regarding the recovery:<p>If they are able to properly orient the spacecraft using solar pressure alone, couldn&#x27;t this approach be purposely engineered for discharging momentum from reaction wheels in other craft, instead of expending propellant?<p>Source: <a href="http:&#x2F;&#x2F;www.nasa.gov&#x2F;kepler&#x2F;keplers-second-light-how-k2-will-work" rel="nofollow">http:&#x2F;&#x2F;www.nasa.gov&#x2F;kepler&#x2F;keplers-second-light-how-k2-will-...</a>