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. |
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النتائج 1-3 من 8
الصفحة 35
... structural intergrowth of two minerals , one with about 40 percent nickel and the other with only 5 percent . This intergrowth , known as the Widmanstätten structure , is present in most iron meteorites and formed as 41 Polished surface ...
... structural intergrowth of two minerals , one with about 40 percent nickel and the other with only 5 percent . This intergrowth , known as the Widmanstätten structure , is present in most iron meteorites and formed as 41 Polished surface ...
الصفحة 37
... structure . This texture indicates that molten metal was mixed with the olivine crystals at very high temperature and with little damage . Mesosiderites are composed of chunks of metal , angular fragments of basaltic achondrite , glassy ...
... structure . This texture indicates that molten metal was mixed with the olivine crystals at very high temperature and with little damage . Mesosiderites are composed of chunks of metal , angular fragments of basaltic achondrite , glassy ...
الصفحة 48
... structure . On cooling , alloys of iron - nickel metal with between 7 and 15 percent nickel form a structural intergrowth of bands of metal with 5 percent nickel , set in metal with about 40 percent nickel ( the Widmanstätten structure ...
... structure . On cooling , alloys of iron - nickel metal with between 7 and 15 percent nickel form a structural intergrowth of bands of metal with 5 percent nickel , set in metal with about 40 percent nickel ( the Widmanstätten structure ...
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