NASA’s Perseverance Mars rover, set for lift off this Thursday, is the space agency’s most advanced Martian probe yet. Its super-sanitised sample return tubes — for rocks that could hold evidence of past Martian life — are the cleanest items ever bound for space.

source https://gadgets.ndtv.com/science/news/nasa-mars-rover-perseverance-technology-details-launch-date-2269939#rss-gadgets-all