Impact! -- Journey to an asteroid -- New discoveries -- Defending the planet.
Summary:
"Asteroids are always moving in space, but what do we do if one of these giant space rocks heads straight for Earth? With technology and spacecrafts like DART, we now have the answer"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.