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 18
الصفحة 20
... melting , we know that chondrite meteorites have not melted after their formation . In contrast , metal is rare or absent in achondrites . We think that melting on a small planet or asteroid composed of a mixture of stony and iron ...
... melting , we know that chondrite meteorites have not melted after their formation . In contrast , metal is rare or absent in achondrites . We think that melting on a small planet or asteroid composed of a mixture of stony and iron ...
الصفحة 21
... melts or abraded fragments of igneous rock , the melting occurred before the various components aggregated to form the chondrites . Chondrites have not been melted after their formation . Because they have not been melted since their ...
... melts or abraded fragments of igneous rock , the melting occurred before the various components aggregated to form the chondrites . Chondrites have not been melted after their formation . Because they have not been melted since their ...
الصفحة 32
... melted material beneath impact craters . If melting had been complete , evidence of an earlier history would have been destroyed . On Earth , such complete melting only 38a Nakhla meteorite . This meteorite fell in Egypt in 1911 as a ...
... melted material beneath impact craters . If melting had been complete , evidence of an earlier history would have been destroyed . On Earth , such complete melting only 38a Nakhla meteorite . This meteorite fell in Egypt in 1911 as a ...
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