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 15
الصفحة 20
... rare compared with their great abundances in stars , or in the Universe as a whole . Meteorites , then , are mainly composed of commonplace materials , but in proportions that differ from those in the accessible rocks on Earth ( Fig ...
... rare compared with their great abundances in stars , or in the Universe as a whole . Meteorites , then , are mainly composed of commonplace materials , but in proportions that differ from those in the accessible rocks on Earth ( Fig ...
الصفحة 22
... rare rock fragments that have undergone melting on a planetary scale . Planets , it is argued , must therefore have existed before the chondrites formed . This suggests that chondrules and chondrites are the product of collisions ...
... rare rock fragments that have undergone melting on a planetary scale . Planets , it is argued , must therefore have existed before the chondrites formed . This suggests that chondrules and chondrites are the product of collisions ...
الصفحة 46
... rare representatives of other asteroids . So we can conclude that at least thirteen , but perhaps over fifty , asteroids have been the source of the meteorites available to science . One recent attempt to identify the asteroid from ...
... rare representatives of other asteroids . So we can conclude that at least thirteen , but perhaps over fifty , asteroids have been the source of the meteorites available to science . One recent attempt to identify the asteroid from ...
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