An assessment in September 2023 also found more bad news: Because of the complicated architecture of the plan, NASA would likely not be able to return Perseverance's samples to Earth until 2040 ...
After a series of delays, the cost ballooned to $11 billion and the samples wouldn't be landing on Earth until 2040. So Nelson scrapped that plan in April and called for new proposals from outside ...
"By 2040, all compasses will probably point eastward of true north," Beggan said, adding that magnetic north's march toward northern Russia is far from over. Earth's magnetic field is a sheath of ...
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