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 13
الصفحة 20
... core , respectively . Less dense , stony liquids were left behind to form a mantle around the core . Unmelted rubble on the surface , together with later basaltic melts from the mantle , formed the crust . Thin crust , mainly basalt ...
... core , respectively . Less dense , stony liquids were left behind to form a mantle around the core . Unmelted rubble on the surface , together with later basaltic melts from the mantle , formed the crust . Thin crust , mainly basalt ...
الصفحة 37
... core . We think that cooling , contraction and cracking in the overlying olivine - rich stony mantle led to the ... core and olivine mantle . Although iron - nickel metal and olivine occur individually as minerals on the surface of the ...
... core . We think that cooling , contraction and cracking in the overlying olivine - rich stony mantle led to the ... core and olivine mantle . Although iron - nickel metal and olivine occur individually as minerals on the surface of the ...
الصفحة 47
... cores , and the cores began to cool within 20 or 30 million years of the original supernova event . Thus , from the ... core . The presence of a measurable amount of silver from the decay of radioactive palladium indicates that melting ...
... cores , and the cores began to cool within 20 or 30 million years of the original supernova event . Thus , from the ... core . The presence of a measurable amount of silver from the decay of radioactive palladium indicates that melting ...
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