A NASA Probe Is So Full of Asteroid Material That It Now Has A Problem
A NASA spacecraft sent out to collect rocks from an asteroid seems to have nabbed a lot of material, but there's now an unexpected problem--a flap isn't closing because some rocks are stuck.
Đọc thêm tại NPR
at October 24, 2020 at 06:35AM
Health & Science
Thứ Bảy, 24 tháng 10, 2020
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