FINAL TARGET: PLANET EARTH$19.99PriceThis program takes a stark look at the present efforts and problems associated with the location and observation of possible life-threatening collisions by comets and asteroids, as well as plans humankind may eventually for protection. Add to Cart
FINAL TARGET: PLANET EARTH$19.99PriceThis program takes a stark look at the present efforts and problems associated with the location and observation of possible life-threatening collisions by comets and asteroids, as well as plans humankind may eventually for protection. Add to Cart