Spacetime With Stuart Gary

SpaceTime Series 29 Episode 103 *Warnings that some Earth microbes could contaminate the Moon NASA says some of Earth's microbes hitching a ride to space with human explorers could survive in the shaded nooks and crannies of the Moon's South Pole contaminating the otherwise pristine environment. *China’s first reusable rocket China has finally landed a reusable rocket in one piece. *Russia develops a nuclear rocket motor Russia has developed a prototype nuclear plasma engine which could cut journey times to Mars from 6 months to just 30 days. *September Skywatch The September equinox, and the constellations Capricorn, Pegasus, and Cygnus are among the highlights of the September night skies on SkyWatch.   Our regular guests: Alex Zaharov-Reutt from techadvice.life Tim Mendham from Australian Skeptics And Senior science writer and Sky and Telescope magazine contributor Jonathan Nally