meteoroid penetration

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meteor and meteoroid — ▪ astronomy Introduction respectively, a glowing streak in the sky (meteor) and its cause, which is a relatively small stony or metallic natural object from space (meteoroid) that enters Earth s atmosphere and heats to incandescence. In modern… … Universalium
meteorite — meteoritic /mee tee euh rit ik/, meteoritical, meteorital /mee tee euh ruyt l/, adj. /mee tee euh ruyt /, n. 1. a mass of stone or metal that has reached the earth from outer space; a fallen meteoroid. 2. a meteoroid. [1815 25; METEOR + ITE1] * * … Universalium
Pioneer 11 — Infobox Spacecraft Caption= Pioneer 11 at Saturn (artist s impression) Name= Pioneer 11 Mission Type= Fly by, Deep Space Flyby Of= Jupiter, Saturn, Outer Solar System Mass= 259 kg Organization= Ames Research Center NASA Launch Vehicle=… … Wikipedia
Paul R. Hill — (1909 ndash;1990) was a pioneering aeronautical research engineer who spent a lifetime on the cutting edge of research and development for NACA and NASA.He is also well known in the field of Ufology for his scientific research into the subject of … Wikipedia
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium

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