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A faster Earth spin may require subtracting a second from clocks
A faster Earth spin may require subtracting a second from clocks
FRIDAY, MARCH 29, 2024
Earth’s changing spin is threatening to toy with our sense of time, clocks and computerized society in an unprecedented way — but only for a second.Nasa's DART spacecraft hits target asteroid in test of planetary defense system
Nasa's DART spacecraft hits target asteroid in test of planetary defense system
TUESDAY, SEPTEMBER 27, 2022
Nasa's DART spacecraft successfully slammed into a distant asteroid at hypersonic speed on Monday in a test of the world's first planetary defence system, designed to prevent a potential doomsday meteorite collision with Earth.