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11 December 2015
The Candle of Knowledge Flickers This Dark December
The Japanese have launched a spacecraft called Hyabusa 2 to look at an asteroid, and as it passed Earth this week (to get a speed boost), it grabbed this shot of the Earth and Moon in one frame. Take some time and look at that picture, and consider that the highest we go now is about a millimeter above the Earth in that image. We used to all the way …