These certainly are exciting times in space exploration. On January 1, 2019, NASA’s New Horizon probe,which flew past Pluto in 2015, reached its next target, a red, snowman-shaped double rock nicknamed Ultima Thule. Then on January 3, China made history by landing the first probe (Chang’e) on the far side of the Moon.Meanwhile the Voyager spacecraft, which toured the giant planets decades ago, keep on ticking (so to speak), sending back data from beyond the limits of the solar […]

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