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Slowed by skimming through the very top of the upper atmosphere, ESA’s ExoMars has lowered itself into a planet-hugging orbit and is about ready to begin sniffing the Red Planet for methane.
NASA is developing a spacesuit with a built-in toilet system, something the agency hasn’t used regularly since the Apollo era.
A single launch pumps a relatively small amount of emissions into the atmosphere, but SpaceX CEO Elon Musk has suggested sending a millio…