TYPES OF SPACECRAFT A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site penetrator probe A device that, by impact, tunneling, or melting, penetrates beneath the surface of a planet, moon, asteroid, or comet, to investigate the subsurface environment. Among missions currently under development or consideration that will deploy penetrator probes are Deep Impactand the Europa Ocean Explorer (see Europa, future probes). The failed Mars Polar Lander carried the first penetrator probes. Related category    • TYPES OF SPACECRAFT Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP