RT @JanHattenbach: Amateurs prepare big-picture perspective to support @NASAJuno mission: europlanet-eu.org/amateurs-prepa… via @europlanetmedia https://t.co/00VO5fNsOY
RT @JanHattenbach: Amateurs prepare big-picture perspective to support @NASAJuno mission: europlanet-eu.org/amateurs-prepa… via @europlanetmedia https://t.co/00VO5fNsOY