giovedì 18 giugno 2015

NYT Science: Agencies Make Plans to Step Up Planetary Defense

Agencies Make Plans to Step Up Planetary Defense
By WILLIAM J. BROAD

The goal is to learn how to better deflect comets and asteroids that might one day endanger cities or the planet as a whole.

Published: June 19, 2015 at 06:00AM

via NYT Science http://ift.tt/1L3JHdG