RT @SpaceflightNow: Loss of signal confirmed. Rosetta is on the comet, ending a 12-year voyage that spanned 4.9 billion miles. spaceflightnow.com/2016/09/30/liv…
RT @SpaceflightNow: Loss of signal confirmed. Rosetta is on the comet, ending a 12-year voyage that spanned 4.9 billion miles. spaceflightnow.com/2016/09/30/liv…