NASA’s Perseverance rover has collected valuable samples, but a new report says the plan to fetch them is unworkable
Humanity’s biggest and most ambitious plan to search for extraterrestrial life is about to go back to the drawing board.
NASA says it will put current plans on hold and come up with an alternative strategy by early next year. “It’s going to take a little time for us to assess the path forward,” says Lori Glaze, head of NASA’s planetary-science division in Washington DC. The recommendations from the report are “big”, she says. “They’re not things that can be answered overnight.”
Scientists can analyse the rocks in much greater detail in laboratories on Earth than with the compact instruments available on robotic rovers. The analysis would include hunting for ‘biosignatures’, molecules or other signals of past life in the samples. “These measurements are difficult to do remotely,” says Daniel Glavin, a planetary scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland. “You really want the samples back and in the lab.
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