MeteoritesSterling Pub., 1993 - 60 من الصفحات "A wonderful resource....Students will be drawn to read and investigate....The text is direct, interesting, and free of mind-numbing chemistry and physics formulas that so often deter YAs from further investigation....An exceptionally well-done summary."-- "SLJ . "Well-written and nicely illustrated....The technical quality of the book is very good...."-- "Science Bks & Films, a starred review . 60 pages (all in color), 8 1/4 x 7 7/8. |
من داخل الكتاب
النتائج 1-3 من 15
الصفحة 13
... seen and no sonic booms were reported . Had Mr. Pettifor been indoors , the fall probably would not have been noticed . One week after the fall neighboring farmland was searched but no additional stones were found . Measurements ...
... seen and no sonic booms were reported . Had Mr. Pettifor been indoors , the fall probably would not have been noticed . One week after the fall neighboring farmland was searched but no additional stones were found . Measurements ...
الصفحة 43
... ( seen as holes ) from the fission of plutonium in a pyroxene crystal from the Tuxtuac , Mexico , chondrite , as seen in a scanning electron microscope . When an atom of an unstable heavy element , such as plutonium , splits by fission ...
... ( seen as holes ) from the fission of plutonium in a pyroxene crystal from the Tuxtuac , Mexico , chondrite , as seen in a scanning electron microscope . When an atom of an unstable heavy element , such as plutonium , splits by fission ...
الصفحة 49
... seen . " This is because the nucleus of a comet is so small that it generally cannot be detected by telescope when the comet is beyond . Jupiter . Comets only become visible when they release glowing material as they approach the Sun ...
... seen . " This is because the nucleus of a comet is so small that it generally cannot be detected by telescope when the comet is beyond . Jupiter . Comets only become visible when they release glowing material as they approach the Sun ...
المحتوى
Introduction | 1 |
How do meteorites get here? | 8 |
Where do meteorites come from? | 14 |
حقوق النشر | |
3 من الأقسام الأخرى غير ظاهرة
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
anorthosite Antarctica Apollo astroblemes atmospheric flight basaltic basaltic achondrites basaltic rock blue ice bombardment bright fireball calcium carbonaceous chondrite caused chemical elements chondrites contain chondrules cometary composed cooled core Cosmic spherules crater crystals dark decay feldspar fell formation age fragments fusion crust gravity group IIAB Halley's Comet highlands howardites igneous rocks inches indicates interplanetary dust interstellar cloud iridium iron meteorites iron-nickel metal land on Earth liquid lunar magnesium mare Mars melting mesosiderites Meteor meteorite falls meteorite impact meteorite landed meteorite shower meteoroid micrometeorites million years ago mineral grains molten Moon nebula objects observed occurred olivine orbit palladium Pallasites parent asteroid particles percent nickel planetary planets formed plutonium produced pyroxene radioactive aluminum samples silicate SNC meteorites Solar System solar wind solidified sonic booms space speed stars stone stony material stony meteorite stony minerals Stony-iron meteorite sulfide Sun and planets supernova surface temperature Widmanstätten pattern