What if a killer asteroid were headed toward Earth? NASA plans to find out this week – NBC News

April 29, 2019, 4:00 PM UTC
Think of it as a crash course in averting asteroid crashes.
As part of the 2019 Planetary Defense Conference, NASA, the Federal Emergency Management Agency and their international partners will conduct a so-called tabletop exerci… [+3136 пряжа zegna baruffa купить]

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