Sentences with phrase «national planetary defense»
March 15, 2018 - Lawrence Livermore National Laboratory (LLNL) scientists are part of a national planetary defense team that designed a conceptual spacecraft to deflect Earth - bound asteroids and evaluated whether it would be able to nudge a massive asteroid — which has a remote chance to hitting Earth in 2135 — off...
https://www.llnl.gov/ Not exact matches
«Following the 1994 Shoemaker - Levy 9 comet impacts with Jupiter, Edward Teller proposed to a collective of U.S. and Russian ex-Cold War weapons designers in a 1995 planetary defense workshop meeting at Lawrence Livermore National Laboratory (LLNL), that they collaborate to design a 1 gigaton nuclear explosive device, which would be equivalent to the kinetic energy of a 1 km diameter asteroid.